Unidentified Drinking Injury - A mysterious injury received during a bender (qv) and of which the victim has no recollection
"Honestly Officer, Me and my brother N-Lew don't know WHAT happened. We was just heading back from the Tav with these 2 georgous chicks and when we woke up they'd turned into Swamp Donkeys!" said J-Lew. "Must have been some sort of U.D.I." N-Lew added
The c.u.p.i.d system or "cupids" was devised by the singular Alex Zavos of Cambridge in the year of our lord 2006.
C.U.P.I.D. stands for "Cunt Until Point Is Disproven" and is a system for choosing friends which weeds people out by instantly assuming everyone you meet is a twat until they prove to you that they are not.
A: Steve's just run off with my wife!
B: The cunt! But i thought you two were mates.
A: I know, I know I'm too trusting I should have used the c.u.p.i.d. system like Alex said.
B: Oh well at least you'll know for next time, lets go get pissed
Stands for Unidentified (or Unknown) Drinking Injury. Any kind of injury that is impossible to explain due to the fact that the injury occurred while drunk or otherwise in a wasted state.
When I woke up the next morning, there was an abundance of U.D.I.'s: scrapes, bruises, open flesh wounds -- I thought to myself, "I don't remember walking through a swamp or viciously attacking a laundry hamper."