PaPOWing

The Art of slamming ones own fist into the face of an enemy or someone that has just instantly "raged" you.

Billy Badass: Hey Kid! Your mom is a stinkystinkysmellypoopooface!
Little Johnny: Oh NO!
*PaPOW!* (litte johnny slams his fist into Billy Badass's face)
Little Johnny: Who's the stinkystinkysmellypoopooface now!?!
(Little Johnny proceeds PaPOWing Billy baddass's face)