Verb,
A group of men or women. Sometimes coed meet up with a pair of drum sticks for each person. Each person puts their bottom out and starts hitting the person in front of them with the drum sticks and forming a circle thus ass drumming circle.
Me and 4 of my friends went and did an ass drumming circle last noght
When your Step dad, mom, step mom, dad, uncle, and a hooker circle around you and best the shit out of you
IF YOU DONT GET YOUR HOMEWORK DONE ILL TURN YOU INTO A DRUM CIRCLE