To repeatedly thrust into something with your penis/dildo, giving the impression that you are scrubbing it with your junk.
"I'll cockscrub your cunt until you're sore!"
"Your anus looks dirty. It needs a good cockscrubbing."
"Your anus looks dirty. It needs a good cockscrubbing."
by DisasterGrind July 24, 2009
"Oh, yeah, Kimmie, I'm gonna trombone you until you can't walk straight for a week!"
"Did you hear about Zack? And how he gave Alexa the Tromboning of a lifetime? It's so sick."
"Did you hear about Zack? And how he gave Alexa the Tromboning of a lifetime? It's so sick."
by DisasterGrind July 24, 2009