Fistomancy 

The ancient and secret magical art of punching things really, really hard.

Look out, lord Dickula! Their powerful Fistomancers will ruin your shit, probably through punching! Their Fistomancy knows no bounds!

Fistomancy by Lord Dickula April 6, 2011

Fistomaniac 

Someone who is addicted to the act of being fisted.

Bryan and Colin are the biggest fistomaniacs I know! Oh girl!!!!

Fistomaniac by Roughbuff November 14, 2004