Jizz that is so old it has fermented.
Daniel : Awww dude theres jheese permanently stained into your underpants.
Wang: Dude that aint my jheese!
Male ejaculate that has been left to ferment, creating a substance resembling Fetta cheese.
Daniel: "Hey Bob, there are Jheese stains all over your towel."
Bob: "Daniel, that is actually your towel."