The creamy spooge that runs down a girls inner thighs/legs when she stands up too quickly. She has received too big a load from Studly Do Rite and it has to escape her man chops.
Jen don't get up too fast after I fill your twat with my spooge else you'll have a case of Leg Jelly. You know if that happens, I'll have todo you in the behind sose to get some peanut butt-er and make you a peanut butt-er and Leg Jelly sam'ich! Mmmmmm Yummy!
When a woman has an orgasm so intense her legs become like jelly, possiblyresulting in her falling over. Often accompanied by a Squirt
Laura: I'm telling you, sit down when you jill off in the shower.
Sarah: Why?
Laura: Because if you do it right you'll get Jelly Legs and you don't want to hit your head on the way down.