Power Bang
An instance when your friends are partying in a room and you hook up with a chick and finger her so hard under the covers that they can hear you. Resulting in you getting the nick name of "Power Bang" Leading to the girl lifting in the covers and saying "it smells like pussy"
Dude you fingered that chick so loud... it was like a Power Bang!
Power Bang
The act of fucking your slam piece with no remorse while he or she assumes a wheel barrow like position.
Wade Smith power bangs puss with no remorse.