Forrest Griffin's definitions

hammerfist

to hit something or someone with a closed fist in an overhand motion intending to cause damage, similar to the way a hammer is swung using the tricep muscle. Usually quick and repetitive.

Brock Lesnar landed some mean hammerfists against Frank Mir.

"Quit being stupid before I knock you down and hammerfist your face!"

by Forrest Griffin January 16, 2010