Slightly eccentric

Wiktionary Word definitions in Wiktionary
a. behaving in an eccentric manner, as though led by pixie.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"mildly insane, bewildered, tipsy," 1848, pix-e-lated , from pixie + -lated , as in elated , etc., perhaps influenced by or a variant of pixie-led . A New England dialect word popularized 1936 by its use in movie "Mr. Deeds Goes to Town."

WordNet Word definitions in WordNet
adj. naughtily or annoyingly playful; "teasing and worrying with impish laughter" [syn: impish , implike , mischievous , prankish , puckish ] very drunk [syn: besotted , blind drunk , blotto , crocked , cockeyed , fuddled , loaded , pie-eyed , pissed , ...