To get a crisp/potato chip and wipe up smegma using the crisp/potato chip and then eat it.
John: "Hey babe you've still got my dick cheese in your teeth"
Claudia: "Oh from the dirty quaver last night?"
When a male places both his testicles in his partners mouth and the partner moves them side to side and pushing their cheeks up like a chipmunk.
Brad: I gave my girl Abby a dirty Alvin last night.