1 definition by Shane Branning

STS

STS means Smirk to Self, it's for when a Lol is too much and a ROFL is way out of the question.

Helpful for when someone tells a joke thats not really funny but you didn't really laugh at it a STS helps you escape scot free.

Bob: Dude, my mom has AIDS
Me: STS
Me: Im sorry dude....pwnd :)

by Shane Branning May 6, 2007