nutbag

From nut +‎ bag.

• (General American) IPA^(key): /ˈnʌtˌbæɡ/

• Audio (General Australian):

  (file)

nutbag (plural nutbags)

1. (informal) An odd, eccentric or insane person.
2. (vulgar, slang) The scrotum.
3. A bag filled with nuts, especially one that is hung outdoors to act as a bird feeder.

• (odd or eccentric person): crackpot, kook, nutter, nutcase, wacko, weirdo; see also Thesaurus:strange person
• (insane person): crackpot, loon, nut, nutter, nutcase, screwball, wacko; see also Thesaurus:mad person
• (scrotum): see Thesaurus:scrotum