'nutty' definitions:

Definition of 'nutty'

From: WordNet
adjective
Having the flavor of nuts; "a nutty sherry" [syn: nutty, nutlike]
adjective
Informal or slang terms for mentally irregular; "it used to drive my husband balmy" [syn: balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, kookie, loco, loony, loopy, nuts, nutty, round the bend, around the bend, wacky, whacky]

Definition of 'nutty'

From: GCIDE
  • nutty \nut"ty\, a.
  • 1. Abounding in nuts. [1913 Webster]
  • 2. Having a flavor like that of nuts; as, nutty wine. [1913 Webster]
  • 3. Crazy; insane; loony; batty; nuts. [slang] [PJC]