What is U.p.i?
1.
Unidentifiable Party Injury
Upon waking from a night of partying, you find one perhaps two bumbs, bruises, scratches, or bites and are not completely certain of there origin
Partygoer#1: Wow!! What the hell happened last? I am riddled with U.P.I
See
Random Words:
1.
the crust that forms in the crotch of a woman's underware
Geeze your mom's underware sure has plenty of clittylitter in it.
..