Jelly Swack 

When you are fucking a girl in the ass and as you are about to cumake, pull out and slap her in the face with your cock while you cum.

Michelle is pissed since I jelly swacked her last night. Anal filthy sanchez

Jelly Swack by Dirt Rat September 10, 2016

jelly sack 

a guy with no cojones.

"yo, quit bein' a jelly sack and ask her out already."

jelly sack by truett January 3, 2007