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1. Informal or slang term meaning insane, strange, eccentric or stupid
   "it used to drive my husband nuts";
   - balmy [archaic, slang], barmy [slang], bats [slang], batty [slang], bonkers [slang], buggy [N. Amer, slang], cracked [slang], crackers [slang], daft [Brit, slang], dotty [slang], fruity [slang], haywire [slang], kooky [slang], kookie [slang], loco [slang], loony [slang], loopy [slang], nutty [slang], round the bend [slang], around the bend [slang], wacky [slang], whacky [slang], doolally [Brit, slang], dippy [slang], daffy [slang], nutsy [N. Amer, slang], potty [Brit, slang], daft as a brush [Brit, slang], round the twist [Brit, slang], wacko [slang], dumbass [N. Amer, slang], bughouse [N. Amer, slang], cuckoo [slang], mental [slang], barking mad [Brit, slang], barking [Brit, slang]

1. A hard-shelled seed consisting of an edible kernel or meat enclosed in a woody or leathery shell
   - edible nut
    
2. A large hard-shelled seed
    
3. A small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
    
4. [informal] A whimsically eccentric person
   - crackpot [informal], crank, nutcase [informal], fruitcake [informal], screwball [informal]
    
5. [informal] Someone who is so ardently devoted to something that it resembles an addiction
   "a car nut";
   - addict, freak, junkie [informal], junky [informal]
    
6. [vulgar] One of the two male reproductive glands that produce spermatozoa and secrete androgens
   "she kicked him in the nuts and got away";
   - testis, testicle
    
7. [informal] The upper part of the human body or the front part of the body in animals; contains the face and brains
   - head, caput [technical], bean [informal], bonce [Brit, informal], noodle [informal], noggin [informal], dome [informal], nob [informal], napper [Brit, informal], skull [informal]
    
8. [US, informal] The amount of money necessary to set up or run some venture
    
9. Half the width of an em
   - en

1. Gather nuts
    
2. [Brit, informal] Hit with the head

See also: insane

Type of: block, collect, dag [Austral, NZ, informal], eccentric, eccentric person, enthusiast, external body part, flake [N. Amer, informal], garner, gather, geek [informal], gonad, human head, linear measure, linear unit, male reproductive gland, oddball [informal], partisan, partizan, pull together, seed, sex gland

Part of: animal, animate being, beast, body, brute, creature, em, family jewels [slang], fauna, lunch box [Brit, slang], male genital organ, male genitalia, male genitals, male reproductive system, nut and bolt, organic structure, pica, pica em

Encyclopedia: Nuts