scottish origion; a state of confusion
I was winning the game by a lot, and my opponent was over there looking all biscuit-arsed.
by _GoD_ September 20, 2004
A slang term meaning extremely intoxicated by alcohol. This is a popular term in SW Scotland, especially in Dumfries. It is sometimes pronounced "Biscuit Ersed" or "Biscuit Airsed"
"You get biscuit arsed every weekend"
by Scotia fae the Toon April 09, 2007