Iranian Knuckleball

Type of kick used in soccer or Iranian Jujitsu. In soccer, when the ball is hit with such force and velocity that it can rip through the goal’s net. In fighting this move is when you do a kick spin and drive your right foot right into your opponents balls, rendering them incapacitated.

Dude1: Hey man wtf happened to Jack?
Dude2: He thought he was tough so I had to give him the old Iranian Knuckleball!