Definitions by Jen Brauer

Monkeyfisting 

Waving one's clenched fists around in the air (usually done while pissed off) while screaming and yelling at someone or something, thus appearing to be an angry monkey.

I cut some guy off in traffic today and he got out of his car and started monkeyfisting.

Monkeyfisting by Jen Brauer May 6, 2010