A gushing clunge; a vagina that has been so satisfied it literally gushes with ejaculational fluids.
Roy: "mate I was with this bird last night"
Chuck: "was she quite the fitty?"
Roy: "indeed! She had quite the glunge by the end of the night!"
Barry: "I should have used some goggles for that glunge, bloody hell!"
Frank: "I could have drowned in that glunge."