intoxicated, drunk, smashed, wasted, sloshed, tired, stoned, high, ripped, wrecked, blotto, fubar, basically not oneself or out of one's mind. also, something you say when you're leaving.
"man, that was a great party. i was so outie boy." "wow, she was totally outie boy from drinking from the sippy cup."
"it's been good talkin to ya...but im outie boy."