nut bar

Short definition from Wiktionary

Noun

1. 1
   A confection containing nuts and sweeteners formed in a bar shape.
2. 2
   Alternative form of nut-bar.
3. 3
   A bar or shaft with an aperture for a bolt or threaded rod to attach to or pass through.
4. 4
   An insane person, a crazy person, a madwoman or madman.

Adjective

1. 1
   Alternative form of nut-bar, alternative form of nutbar (“crazy”).
2. 2
   Crazy, mad.