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
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Random Words:
1.
To hit some one hard in the back of the knee while all their weight is on that one leg.
Kicking some one in the back of the leg. Dead L..
1.
To get hit so hard in the the face that you are knocked the fuck out, to the degree that your body stiffens and your skin pales to a sic..