Slang For Crazy (97 Examples!)

Examples in sentences:

• “He came up with the wildest idea, definitely a few bricks shy of a load.”
• “Whenever she talks about her conspiracy theories, I can’t help but think she’s a few bricks shy of a load.”
• “That plan sounds like it was made by someone a few bricks shy of a load.”

Examples in sentences:

• “After that stunt, there’s no doubt he’s a few clowns short of a circus.”
• “She’s got some odd ideas—feels like she’s a few clowns short of a circus.”
• “The way he’s running things, you’d think he’s a few clowns short of a circus.”

Examples in sentences:

• “He’s nice enough, but seems a few fries short of a Happy Meal.”
• “That idea is so out there, it’s like it came from someone a few fries short of a Happy Meal.”
• “Talking to him is interesting; he’s definitely a few fries short of a Happy Meal.”

Examples in sentences:

• “She must be around the bend to think that’s a good idea.”
• “I thought he was around the bend, wearing shorts in the middle of winter.”
• “That movie was so strange, it left me feeling around the bend.”

Examples in sentences:

• “Whenever she starts daydreaming, you can tell she’s away with the fairies.”
• “He’s got such wild ideas, always away with the fairies.”
• “During meetings, she looks like she’s away with the fairies.”

Examples in sentences:

• “This whole situation is absolutely bananas!”
• “You think that’s a good idea? Are you bananas?”
• “He went bananas when he heard the news.”

Examples in sentences:

• “He must be barking mad to attempt that stunt.”
• “She’s barking mad if she thinks that’s going to work.”
• “That plan sounds like it was made by someone barking mad.”

Examples in sentences:

• “Going out in this storm? That’s absolutely barmy!”
• “He’s got some barmy ideas about starting a business.”
• “I love her, but she can be a bit barmy at times.”

Examples in sentences:

• “He’s got bats in the belfry if he believes those old legends.”
• “You can tell she’s got bats in the belfry, always talking to herself.”
• “That haunted house looks like it’s got bats in the belfry.”

Examples in sentences:

• “That idea isn’t just bad, it’s batshit crazy.”
• “He went batshit crazy when he found out.”
• “Only someone batshit crazy would try something like that.”

Examples in sentences:

• “After being cooped up all day, I’m starting to feel a bit batty.”
• “Her ideas might seem batty at first, but they’re actually genius.”
• “He’s always been a little batty, in the best possible way.”

Examples in sentences:

• “The crowd went berserk when the concert was canceled.”
• “She went berserk after hearing the unfair verdict.”
• “The machine started going berserk, spewing paper everywhere.”

Examples in sentences:

• “That’s the most bizarre story I’ve ever heard.”
• “He has a bizarre sense of humor that not everyone gets.”
• “The bizarre turn of events left everyone speechless.”

Examples in sentences:

• “I must be going bonkers to agree to this plan.”
• “That movie was absolutely bonkers, but I loved it.”
• “She’s not just smart; she’s bonkers brilliant!”

Examples in sentences:

• “You’re completely crackers if you think that’s going to work.”
• “He’s a bit crackers, but that’s why we love him.”
• “The plan sounded crackers at first, but it turned out to be a stroke of genius.”

Examples in sentences:

• “Only a crackpot would believe something so outlandish.”
• “She was labeled a crackpot for her unconventional beliefs.”
• “His crackpot invention surprisingly worked.”

Examples in sentences:

• “Things got a little cray-cray at the party last night.”
• “I knew it was going to be a cray-cray day when I woke up late and missed my bus.”
• “Her fashion sense is a bit cray-cray, but it’s all part of her charm.”

Examples in sentences:

• “The fans were crazed, cheering wildly for their team.”
• “She worked with a crazed intensity to meet the deadline.”
• “The idea might seem crazed, but there’s a method to the madness.”

Examples in sentences:

• “Going out in this weather? Are you cuckoo?”
• “He’s always had cuckoo ideas, but sometimes they actually work.”
• “She’s a little cuckoo, but in the most entertaining way.”

Examples in sentences:

• “He seemed almost demented with rage.”
• “The demented pace of the city can wear you down.”
• “Her demented enthusiasm for every project is infectious.”

Examples in sentences:

• “The villain in the movie was completely deranged.”
• “After the loss, he wandered the streets, looking deranged.”
• “Her deranged laughter echoed through the hall.”

Examples in sentences:

• “Oh, don’t be such a dingbat, you know what I meant.”
• “He’s always saying the most dingbat things.”
• “She played the dingbat, but she was actually quite clever.”

Examples in sentences:

• “After weeks of working overtime, I’m feeling a bit doolally.”
• “He went doolally after she left him.”
• “That idea is just doolally, it’ll never work.”

Examples in sentences:

• “The eccentric professor was known for his unconventional methods.”
• “She has some eccentric habits that make her unique.”
• “Living in a houseboat? That’s quite eccentric!”

Examples in sentences:

• “He completely flipped out when he saw the damage to his car.”
• “She flipped out with joy when she got the job offer.”
• “I flipped out when I realized how late it was.”

Examples in sentences:

• “She freaked out when she saw the spider.”
• “I freaked out during the horror movie.”
• “He freaked out when he lost his phone.”

Examples in sentences:

• “That movie was seriously freaky; I couldn’t sleep all night.”
• “He has some freaky ideas about how the world works.”
• “The way she can bend her arm is kind of freaky.”

Examples in sentences:

• “My grandma’s got some fruity stories from her days in the circus.”
• “That’s a fruity plan, but it just might work.”
• “He’s a bit fruity, always talking to his plants like they’re people.”

Examples in sentences:

• “The kids were giddy with excitement on the last day of school.”
• “I get a bit giddy when I drink too much coffee.”
• “Her giddy laughter is contagious.”

Examples in sentences:

• “His writing style is totally gonzo, but it’s brilliant.”
• “They went for a gonzo approach to the documentary, and it worked.”
• “That was a gonzo stunt they pulled at the awards show.”

Examples in sentences:

• “That’s a half-baked idea if I’ve ever heard one.”
• “He’s full of half-baked theories about time travel.”
• “I need more than half-baked solutions to solve this problem.”

Examples in sentences:

• “If she thinks that’s going to work, she’s lost her marbles.”
• “He’s acting like he’s lost his marbles, talking to himself all day.”
• “You must have lost your marbles if you’re considering that option.”

Examples in sentences:

• “The whole plan went haywire when the computer crashed.”
• “My emotions went haywire after the news.”
• “That old TV goes haywire every time it rains.”

Examples in sentences:

• “He’s always in a world of their own, dreaming up new inventions.”
• “She walked through the halls in a world of their own, oblivious to the chaos around her.”
• “When he paints, he’s in a world of their own, completely absorbed in his art.”

Examples in sentences:

• “I tried to explain the situation to her, but she was in la-la land.”
• “He’s in la-la land if he thinks that plan is going to work.”
• “Spending the afternoon in the sun, I drifted off into la-la land.”

Examples in sentences:

• “He’s such a joker, always making us laugh during meetings.”
• “You can never tell when she’s being serious or just being a joker.”
• “The office joker decided to wrap everything in cling film as a prank.”

Examples in sentences:

• “Her kooky sense of fashion always makes her stand out.”
• “That’s a kooky idea, but it just might work.”
• “He has this kooky way of explaining things that somehow makes everything clearer.”

Examples in sentences:

• “Running around in circles like that, you’re looking like Looney Tunes!”
• “This plan is Looney Tunes, but I love it.”
• “Sometimes I think my whole family is Looney Tunes.”

Examples in sentences:

• “You must be loony to go swimming in this weather!”
• “She’s got some loony ideas about living on Mars.”
• “That loony scheme of his might just be genius.”

Examples in sentences:

• “After working all night, I’m feeling a bit loopy.”
• “Her loopy sense of humor is why we get along so well.”
• “That movie was completely loopy, but in the best way possible.”

Examples in sentences:

• “He’s as mad as a hatter if he thinks that’s going to work.”
• “With all her wild theories, she seems as mad as a hatter.”
• “That idea is mad as a hatter, but it’s brilliant.”

Examples in sentences:

• “He’s running around like he’s mad as a March hare.”
• “With those outlandish ideas, she’s as mad as a March hare.”
• “That scheme is mad as a March hare, but it just might work.”

Examples in sentences:

• “Their madcap adventures kept us laughing all summer.”
• “He’s known for his madcap sense of humor.”
• “That madcap plan of theirs is surprisingly effective.”

Examples in sentences:

• “She’s a cleaning maniac whenever guests are coming over.”
• “He drove like a maniac, weaving through traffic.”
• “I’m a maniac about getting every detail perfect.”

Examples in sentences:

• “After the news, I was completely mazed, unsure of what to do next.”
• “The labyrinth of legal terms left us feeling mazed and helpless.”
• “His explanation was so convoluted, it left me absolutely mazed.”

Examples in sentences:

• “The crowd went mental when the winning goal was scored.”
• “You must be mental to try something so dangerous.”
• “Her dedication to the project is absolutely mental.”

Examples in sentences:

• “He’s completely meshuga if he thinks that’s going to work.”
• “That meshuga idea of yours might just be genius.”
• “She called me meshuga for wanting to go skydiving.”

Examples in sentences:

• “Ever since they met, he’s been completely moonstruck.”
• “The beauty of the night sky left me feeling moonstruck.”
• “Her moonstruck gaze was fixed on the horizon.”

Examples in sentences:

• “The judge declared him non compos mentis and unfit to stand trial.”
• “In her diary, she wondered if she was becoming non compos mentis.”
• “The decision was so irrational, it seemed non compos mentis.”

Examples in sentences:

• “He’s nice enough, but he’s not all there, if you know what I mean.”
• “After the accident, she seemed not all there for a while.”
• “That plan sounds like it was made by someone not all there.”

Examples in sentences:

• “He must not be playing with a full deck if he thinks that’s a good idea.”
• “Sometimes I wonder if she’s not playing with a full deck.”
• “That scheme is so outlandish, they can’t be playing with a full deck.”

Examples in sentences:

• “You’re nuts if you think I’m going to jump into that cold water!”
• “That movie was nuts, in the best possible way.”
• “He’s completely nuts about her.”

Examples in sentences:

• “The plan sounded nutso, but it actually worked.”
• “She went nutso when she saw the surprise party.”
• “That game last night was absolutely nutso.”

Examples in sentences:

• “He’s got some nutty ideas about time travel.”
• “Her nutty sense of humor is why we get along so well.”
• “This nutty invention might just change the world.”

Examples in sentences:

• “He’s a bit of an oddball, but his heart’s in the right place.”
• “She’s known as the office oddball because of her quirky ideas.”
• “I love that movie; it’s such an oddball comedy.”

Examples in sentences:

• “He must be off his nut to try something so dangerous.”
• “You think I’m off my nut, but I know it’ll work.”
• “She’s not off her nut; she’s just ahead of her time.”

Examples in sentences:

• “My grandma says the funniest things; we joke she’s a bit off her rocker.”
• “He’s off his rocker if he thinks that’s a good idea.”
• “That theory is so wild, you’d have to be off your rocker to believe it.”

Examples in sentences:

• “She’s completely off her trolley, but it’s all in good fun.”
• “If you believe that, you’re off your trolley.”
• “He went off his trolley when he saw the mess.”

Examples in sentences:

• “Last night’s party was off the chain.”
• “When she gets an idea in her head, she’s off the chain.”
• “His new book is completely off the chain, in the best way.”

Examples in sentences:

• “He went off the deep end when he found out about the betrayal.”
• “I’m worried she’s going to go off the deep end with all this stress.”
• “Sometimes, it feels like the whole world has gone off the deep end.”

Examples in sentences:

• “The concert was off the hook, with everyone going wild.”
• “You’re off the hook! That idea is just too out there.”
• “Her dance moves were off the hook, completely original and a bit crazy.”

Examples in sentences:

• “The project went off the rails after the lead designer quit.”
• “He’s gone off the rails ever since the breakup.”
• “That meeting quickly went off the rails with everyone arguing.”

Examples in sentences:

• “She’s really gone off the reservation with her latest research.”
• “The director went off the reservation, ignoring the script entirely.”
• “He’s known for going off the reservation with unconventional solutions.”

Examples in sentences:

• “His off the wall ideas sometimes turn out to be genius.”
• “I love her off the wall sense of humor.”
• “That was an off the wall suggestion, but it just might work.”

Examples in sentences:

• “You think I’m going to agree to that? Are you off your rocker?”
• “He must be off his rocker, proposing such a risky plan.”
• “They said she was off her rocker for trying, but she proved them all wrong.”

Examples in sentences:

• “He’s got some strange ideas—like he’s one card shy of a full deck.”
• “That plan sounds like it came from someone one card shy of a full deck.”
• “She’s brilliant but sometimes seems one card shy of a full deck with her outlandish theories.”

Examples in sentences:

• “His solution came from out in left field, but it worked perfectly.”
• “She’s always out in left field with her quirky sense of humor.”
• “That comment was so out in left field, it took me a moment to understand.”

Examples in sentences:

• “You must be out of your mind to try something so dangerous!”
• “He was out of his mind with worry until he heard the news.”
• “She’s out of her mind excited about the upcoming trip.”

Examples in sentences:

• “He’s completely out of his tree if he thinks that’s a good idea.”
• “I thought she was out of her tree, wearing that outfit in the middle of winter.”
• “They said I was out of my tree for starting my own business, but I proved them wrong.”

Examples in sentences:

• “His theories are really out there, but somehow they make sense.”
• “She’s known for her fashion sense that’s a bit out there.”
• “That movie was so out there, I’m not sure what to think.”

Examples in sentences:

• “When it comes to common sense, he’s completely out to lunch.”
• “I must have been out to lunch to miss such an obvious mistake.”
• “She seems a little out to lunch today, more than usual.”

Examples in sentences:

• “His ideas are outlandish, but they just might work.”
• “She has an outlandish sense of style that always turns heads.”
• “The plot of the book was so outlandish, it was hard to believe.”

Examples in sentences:

• “My uncle’s a bit potty but in the most charming way.”
• “She’s got some potty ideas about redecorating the house.”
• “He seems potty to those who don’t know him, but he’s actually a genius.”

Examples in sentences:

• “He went psycho when he found out the truth.”
• “That movie was too psycho for my taste.”
• “She has a psycho ex-boyfriend who won’t leave her alone.”

Examples in sentences:

• “She’s got a quirky sense of humor that you just have to love.”
• “His quirky inventions might just change the world someday.”
• “That café is so quirky, with the most unusual decor.”

Examples in sentences:

• “He’s a rabid supporter of the team, never misses a game.”
• “Her rabid dedication to the cause is inspiring.”
• “The crowd was rabid, hanging on every word of the speech.”

Examples in sentences:

• “He was raving about the end of the world again.”
• “After the accident, she was found raving and in shock.”
• “The fever left him raving all night long.”

Examples in sentences:

• “If I have to listen to that song one more time, I’ll go round the bend.”
• “He’s completely round the bend, but in the most entertaining way.”
• “That idea is so out there, you must be round the bend to consider it.”

Examples in sentences:

• “You must have a screw loose to try something so dangerous.”
• “I think he’s got a screw loose, always talking to himself like that.”
• “She’s brilliant but has a screw loose when it comes to common sense.”

Examples in sentences:

• “That screwball comedy had us laughing till we cried.”
• “He’s a bit of a screwball but in the best possible way.”
• “Her latest invention is a screwball idea that just might work.”

Examples in sentences:

• “After studying all night, I was completely spaced out during the exam.”
• “He’s always spaced out, lost in his own world.”
• “That movie was so weird, it left me feeling spaced out.”

Examples in sentences:

• “She gets a bit squirrelly before public speaking.”
• “The cat’s been acting squirrelly since we moved in.”
• “I felt squirrelly waiting for the interview results.”

Examples in sentences:

• “After the third night without sleep, I felt stark raving bonkers.”
• “That idea is stark raving bonkers, but I love it!”
• “He must be stark raving bonkers to attempt such a stunt.”

Examples in sentences:

• “She went stark raving mad when she saw the mess.”
• “To take on such a challenge, you’d have to be stark raving mad.”
• “The news drove him stark raving mad.”

Examples in sentences:

• “He’s nice, but three sandwiches short of a picnic.”
• “That plan sounds like it’s from someone three sandwiches short of a picnic.”
• “She’s a bit three sandwiches short of a picnic, but she means well.”

Examples in sentences:

• “My grandmother always said he was a bit touched.”
• “She’s touched by genius, or maybe just touched.”
• “You have to be a little touched to be a great artist, I suppose.”

Examples in sentences:

• “The villain in the story is truly twisted.”
• “He has a twisted sense of humor that not everyone appreciates.”
• “That twisted idea might actually be brilliant.”

Examples in sentences:

• “He’s definitely two cans short of a six-pack, but he’s harmless.”
• “That scheme is the work of someone two cans short of a six-pack.”
• “She may seem two cans short of a six-pack, but she’s actually quite clever in her own way.”

Examples in sentences:

• “His behavior lately has been a bit unbalanced.”
• “She’s unbalanced, swinging wildly from joy to despair.”
• “The character in the novel is deeply unbalanced, leading to tragic consequences.”

Examples in sentences:

• “The pressure finally made him come unhinged.”
• “Her accusations were so wild, they made her seem unhinged.”
• “The movie’s protagonist slowly becomes unhinged, adding to the suspense.”

Examples in sentences:

• “I thought he knew what he was doing, but he’s completely up the pole.”
• “She’s gone up the pole with her latest conspiracy theories.”
• “He’s acting like he’s up the pole, making no sense at all.”

Examples in sentences:

• “That guy shouting in the street is a complete wacko.”
• “She has some wacko ideas about living on Mars.”
• “Only a wacko would try something so dangerous.”

Examples in sentences:

• “I love his wacky sense of humor.”
• “Her invention is totally wacky but it works amazingly well.”
• “We had a wacky idea for the school play that turned out to be a hit.”

Examples in sentences:

• “That plan is completely whack, but I’m in.”
• “He’s a bit whack, but in a genius kind of way.”
• “The whole situation was whack and made no sense at all.”

Examples in sentences:

• “Last night’s party was absolutely wild.”
• “She’s known for her wild ideas that somehow always work.”
• “The crowd went wild when the band took the stage.”

Examples in sentences:

• “I was so wired on coffee, I couldn’t sleep all night.”
• “He’s wired before every performance, but he always does great.”
• “The whole team was wired after the big win.”

Examples in sentences:

• “Her zany personality makes every day interesting.”
• “We need a zany approach to get noticed in this market.”
• “The movie’s zany humor isn’t for everyone, but I loved it.”