Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Crazy; insane.
- adj. Extremely enthusiastic: I'm nuts about opera.
- interj. Used to express contempt, disappointment, or refusal.
Wiktionary
- n. Plural form of nut.
- n. Testicles.
- n. A hand that can be proven unbeatable even when the hand's holder does not know any of the cards the other poker players involved in a hand hold or held.
- adj. Insane, mad.
- adj. Crazy, mad; unusually pleased or, alternatively, angered.
- interj. Indicates annoyance, anger, or disappointment.
- interj. Signifies rejection of a proposal or idea, as in forget it, no way, or nothing doing.
- v. third-person singular simple present indicative form of nut.
GNU Webster's 1913
- Crazy; loony; insane; batty; -- used in a predicate position, ususually in phrases such as
to go nuts ,went nuts , are younuts ? - interj. An expression of disapproval, defiance, or displeasure, as in: “Ah, nuts! My knife just broke.”
WordNet 3.0
- adj. informal or slang terms for mentally irregular
Etymologies
- From nut.
Examples
“All afternoon she had been with the children, playing Oranges and lemons, A ring, a ring of roses, and Here we come gathering nuts in May, _nuts_ in May,”
“And a golf club to the nuts is the sincerest form of entertainment.”
“When I said the word nuts, which is what Jesse Jackson actually did say that we knew at that time, I was not bleeped.”
“In a fiercely argued critique of the proposed balanced-budget amendment, which he calls "nuts," Bartlett accuses Republican lawmakers of once again trying the "starve-the-beast" ploy that has repeatedly failed.”
“Whenever a few of us label nuts were gathered together, we'd gripe about those plain vanilla labels.”
“Both my husband and son are train nuts, so we hopped off the freeway to see what the fuss was about.”
“Reading up on these “Nordic” nuts is like cleaning out the septic tank.”
South Dakota loses, adds “hate group” « A Progressive on the Prairie
“One of the things that the drug manufacturers do that drives us nuts is advertise prescription drugs on television.”
“What would really drive the left nuts is massive contributions to K-12 education in the form of scholarships to attend private schools.”
Taxes vs. Philanthropy, Arnold Kling | EconLog | Library of Economics and Liberty
“Yeah, well, the problem with conspiracy nuts is that any evidence that runs counter to their conspiracy theory is evidence of a cover up.”
Lists
These user-created lists contain the word ‘nuts’.
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defense
shield, aegis, armor, cuirass, plastron, inured, reinforced, cataphract, proof, targus, buckler, shield bearer and 123 more...
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food collection
bread, peel, pot, chorizo, Filet, olive, fill, Phyllo, dough, bake, mat, pinot and 988 more...
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Bonkers
List for old and new terms and phrases meaning crazy, nuts, batty, prone to extreme nervousness, etc.
bonkers, crazy, nuts, batty, batchy, bats in the belfry, scatty, crackers, windy, gone crackers, cracked, dingo and 92 more...
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Construction Zone
Help me build a list of things you'd find in a construction zone or at a construction site.
rebar, lumber, cement, plywood, hard hat, hammer, nails, nail gun, insulation, electrical wiring, wood, crane and 44 more...
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vegan
basic vegan food or types of vegan food you've had and liked.
( food, cuisine, eating, health, vegan, vegetarian, animal rights, anti-cruelty, no meat, herbivore, shopping, groceries )tofu, hummus, falafel, ice cream, cookie, soy, nuts, fruit, burrito, veggie burger, soy cheese, rice and 27 more...
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one word exclamations
keep it rated G please, thanks!
( randomness )zoiks, sheesh, gosh, shucks, jeez, woot, heck, thunderation, oops, gadzooks, what, hey and 49 more...
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Expressions of disbelief or disagreement
bollocks, come off it, rubbish, as if, bullshit, guff, i don't believe it, are you mad, tosh, nonsense, garbage, bunkum and 51 more...
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Bonkers
crackers, barmy, half-baked, mental, unhinged, barking, cuckoo, cracked, nuts, mad, insane, touched and 24 more...

lea "Kick me in the nuts." - The Dudesons. Mar 1, 2009
chained_bear Interesting short article on how/when nuts came to mean crazy. Oct 11, 2007
oroboros Stun in reverse. Jul 22, 2007
brtom It was nuts for the crowd, though maybe not for the king's friends HF 29 Dec 7, 2006