1 definition by Powderbunniiie

U.P.I.

Unidentified Party Injury also known as a U.P.I. Related to a S.R.I. Or Sports Related Injury.

Jsam: hey Shan, where’d you get these bruises from?
Shannon: Last Saturday I went to this rager at a frat house. it was totally reckless, I ended up with like 30 U.P.I.’s.

by Powderbunniiie August 13, 2022