Definitions by ManiacManEK

Fist full o' metal 

When someone has a very large, normally strong, fist, or having a very strong punch. Normally when infused with some kind of metal alloy.

Yo man, Tommy has a crazy fist full o' metal.

Tommy's fist full o' metal broke jims jaw.

Fist full o' metal by ManiacManEK March 26, 2010