Top Definition
When sorority girls flash their wannabe gang signs for group pictures, pictures with celebrities, or any pictures at all. May be accompanied by "skinny arm" and/or "sorority squat."
Make sure you throw what you know at fall formal!

Throwing what I know with my sisters in the middle of the road with this car!

Making Randy Jackson throw what he doesn't know!
by secret sorostitute December 01, 2013

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