Definitions by MenAgainstJizzJammers

Jizz Jam

The act of placing ones hand over an ejaculating penis forcing the ejaculate back in.

Damn, that bitch Jizz Jammed me last night!

Jizz Jam by MenAgainstJizzJammers January 16, 2014

Jizz Jammer 

A female who while giving a male a blowjob or handy-jay shoves her hand over the head of the penis jamming the ejaculate back inside.

Damn dude, Becky is such a Jizz Jammer!

Jizz Jammer by MenAgainstJizzJammers January 16, 2014