Give a slap and run a lap

The challenge when you sneak up on your friends and slap them as hard as you can on the back of the head. Then you run as fast as you can to avoid getting shot.

Guy #1 Ey mayne! lets do the give a slap and run a lap challenge!
Guy #2 Fuck yes i'm deadass down!
Guy #1 Lets slap Ronnie!
Guy #2 Let's hit em hard!