1. Being sluttier than someone at a place, party etc.

2. Beating someone at something.
1. "OhMyGawd. Me and Jasmine totally outslutted all the girls at Jason's party!"

2. "I'm so gonna outslut you in Guitar Hero!"
by angel ; March 30, 2009
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hoochies compete in a game of Slut Olympics, in an effort to dress the sluttiest.
Dem two shorties over dere are outslutting eachother to get our attention.
by ChongaSport January 29, 2015
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