Intoxified to an extent by which intelligent conversation and movement becomes an almost insurmountable task.
A severely wibbaged individual may only be able to communicate via a series feral grunting sounds, and observe the world through one eye only.
"Eeurghh.... Moooooaaaaw... Bleeargh." *dribble* *dribble*.
"God, you're completely wibbaged, mate!" "You can't sleep in the road - there's donkeys about. They'll get you."