A fork of Rural Dictionary
(n) moving your hand in a jellyfish movement on a man's package while trying to give him a handjob. something most little eighth grade girls do to their older boyfriends, for lack of knowledge how to give a real one.
"Man she jellyfished me again):" Man 1: "Did you hear what Drew & Kelly did last night?" Man 2: "Nahh what" Man 1: "Kelly jellyfished him again" Man 2: "Damn eighth graders don't know how to give a proper handjob"