Describes the result of condomless (unprotected) sex and ejaculating inside of a vagina, creating a penis butter sandwich, which the perpetrator proceeds to eat after the act.
Man 1: "I ate a penis butter sandwich today."
Man 2: "Was it good?"
Man 1: "No, it needed some fruit."
When you pull out and evenly distribute your load across the girl’s stomach, then jump on top of her and squirm around while yelling, “Peanut butter jelly! Peanut butter jelly!”
Me: Yo that chick I banged last night won’t text me back.
Bud: Wtf did you do?
Me: I don’t know, maybe she didn’t like the penis butter belly sandwich I made for her.