Top definition
The crusty stuff left in your underwear when you don't wipe or shake properly after urinating.
Girl #1: What's that in your underwear?
Girl #2 (embarrassed): Oh, that's pee crust. I forgot to wipe everything off...
by lmaolololol June 15, 2017
Get the mug
Get a Pee Crust mug for your coworker Bob.