for nuts Definition

nut
noun

1a. popularly
A fruit consisting of a kernel contained in a hard shell, eg a hazlenut or walnut;
1b. popularly
The kernel itself.
2. bot.
A hard dry indehiscent one-seeded fruit.
3. popularly
A roasted peanut.
4. A small, usually hexagonal, piece of metal with a hole through it, for screwing on the end of a bolt.
5. colloq
A person's head.
6. colloq
A crazy person.
Thesaurus: eccentric, fanatic, maniac, zealot, psychopath, lunatic, madman, crackpot (slang), loony (slang), nutcase (slang).
Form: nutter (also)
7. colloq
An enthusiast; a person with an obsessive interest.
Example: a football nut
8. A small lump.

Example: a nut of butter
9. colloq
Testicles.
Form: nuts
10a. music.
The ridge at the top of the fingerboard on a violin, etc;
10b. music.
The mechanism for tightening the bow.
11. A small biscuit or cake.

Example: ginger nut

verb nutted, nutting

intr
1. To look for and gather nuts.
2. colloq
To butt someone with the head.

Derivative: nutter
noun

See 6 above.

Derivative: nuttiness
noun

Derivative: nutty

See separate entry.

Idiom: do one's nut

colloq
To be furious.

Idiom: for nuts

colloq
At all.
Example: can't sing for nuts

Idiom: a hard nut to crack (a tough nut to crack)

A difficult problem to solve.

An awkward person to deal with.

Idiom: off one's nut

colloq
Mad. See also nuts.

Etymology: Anglo-Saxon hnutu.