Dab bagger
A person who gives a punch to the back and a butt poke to someone who's been taken down like a sack of bricks.
After my brother got knocked down by a big kid, I gave him a punch and a butt poke. That's dab bagging.
I saw my friend fall in the gym. I walked up and gave him a punch and a butt poke. Classic dab bagger.
My brother got knocked down in the game. I had to punch him and poke his butt like it was a snack.