1 definition by Shane Branning

Top Definition
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 06, 2007

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