Jack: "Hey what the hell did you do to your room?"
Dustin: "Dude I saw something that was violently nice."
Dustin: "Dude I saw something that was violently nice."
by Arkatron Duke Mariot February 11, 2014
Basically another phrase for masturbation, except it's more fun to say. To "sling jelly" is to masturbate.
by Arkatron Duke Mariot December 25, 2013