jizz grenade 

That is, blowing a load of cum into one of the various orifices of a woman, most likely her mouth. The term was coined by the Hungarian rapper Tommy Fluor

Open your mouth, here comes the jizz grenade!

jizz grenade by DryudHaxor July 10, 2011

Jizz Grenade 

Gathering around 10-15 gay men, having them all jizz into a cup, then transfer the jizz to a balloon, tie it up, and yell BOMBS AWAY! And throw the jizz filled balloon at your unsuspecting victim.

Absul was being a little bitch so we got the men's locker room to make us a nice homemade Jizz Grenade to get him back.

Jizz Grenade by FapCommander October 13, 2009

jizz gernade 

Word used by Adam Carolla on Love line to describe jacking off

Tony's popping a jizz gernade

jizz gernade by Uhhh Ya December 1, 2005