Top definition
A sorority girl who drinks too much and wildly hooks up with a lot of people.
Person 1: I passed out drunk last night and don't remember anything.
Person 2: Wow, you're such a smoss.

Person 1: Wow, did you hear about that girl who hooks up with everyone and their father?
Person 2: Oh yeah, she's a smoss.
by Peaches III April 26, 2010
Get the mug
Get a smoss mug for your boyfriend Jerry.