From WordNet (r) 2.0 (August 2003) [wn]:
fruity
adj 1: tasting or smelling richly of or as of fruit
2: 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, haywire, kooky, kookie, loco,
loony, loopy, nuts, nutty, round the bend,
around the bend, wacky, whacky]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Fruit'y \Fruit'y\, a.
Having the odor, taste, or appearance of fruit; also,
fruitful. --Dickens.
[1913 Webster]