Slang for "opossum stomp".
Wrestling move in which victim is held upside down by the ankles and smashed violently, headfirst, into the ground.
This is a completely justifiable and necessary recourse in the event that one's opponent is "playing opossum", or just being a bitch.
"Boy, I'm gonna' possum stomp your head into your ass," laughed the friendly neighborhood policeman.
To stomp/jump on ones head.
I possum stomped that filf cunt in the the concrete.