The Collaborative International Dictionary of English v.0.48:

Fruit'y \Fruit'y\, a.
   Having the odor, taste, or appearance of fruit; also,
   fruitful. --Dickens.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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, fruity, haywire, kooky, kookie, loco,
       loony, loopy, nuts, nutty, round the bend, around
       the bend, wacky, whacky]

Moby Thesaurus II by Grady Ward, 1.0:

97 Moby Thesaurus words for "fruity":
   ambrosial, aromatic, balmy, bananas, barmy, bats, batty, beany,
   bonkers, botanic, buggy, bughouse, bugs, bulbous, cereal, crackers,
   cuckoo, daffy, dippy, dotty, essenced, farinaceous, flaky,
   flavorful, flavorous, flavorsome, flavory, flipped, flowery,
   fragrant, freaked-out, fruitcakey, fruitlike, full-bodied,
   full-flavored, gaga, goofy, haywire, herbaceous, herbal, herbose,
   herbous, herby, incense-breathing, just plain nuts, kooky,
   leguminose, leguminous, loony, loopy, lunatic, mad, maniac, mental,
   mindless, musky, non compos mentis, nuts, nutty, odorate,
   odoriferous, odorous, off the hinges, off the track, off the wall,
   perfumed, perfumy, plantlike, potty, radicated, radiciform,
   radicular, redolent, rhizoid, rich, rich-flavored, rootlike,
   round the bend, savory, scented, screwball, screwballs, screwy,
   slaphappy, spicy, sweet, sweet-scented, sweet-smelling,
   thuriferous, tuberous, vegetable, vegetal, vegetarian,
   vegetational, vegetative, wacky, weedy