Drunk or intoxicated in some manner. The same as canned, corked, tanked, primed, scrooched, jazzed, zozzled, plastered, spifflicated, embalmed, lit, potted, ossified or fried to the hat.
A more powerful version of owned. Origin: a mouse or some rabbit getting owned so bad by an owl in the night. Usually followed with an animated version of an owl dancing.
The act of sneaking up behind someone and holding their head before turning it 180 degrees in the oppositedirection, in a manner not unlike a barn owl swings it's head around in a single sweep.