when you kick a girl in the breast as hard as you possible can and then you take a shit in the newly made crater
yo bizatch, fuck you, im so mad i's about to give you a jelly knocker
by Anonymous April 02, 2003
A nickname you give a girl who has really big nice boobs.
Dang! Cristy has some nice tits, Forget calling her Cristy, her names Jellyknockers!
by TG4KOCKERS April 07, 2009