To perform the act of dunking on someone during their everyday routine. You can dunk on anyone, by athletically hitting an overhang with either one or both hands and hitting the person getting dunked on with your body, hip, side or shoulder.
It can be a surprise attack and is meant to throw the other person off balance.
You can dunk on overhead stairs, a door overhang or any entrance to a room.
Being dunked on is a series of events in which someone is utterly obliterated, often in a sexual manner. Being dunked on is not a desirable thing. Those whom are dunked upon often never mentally recover.