when ones head is inserted into womans vagina while she is suffering from a yeast infection. yours ears will resemble bread (due to the califlower effect) and your head will be covered in butter.
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 buttersandwich today."
Man 2: "Was it good?"
Man 1: "No, it needed some fruit."
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.
When a woman is on her period and doesn't do a good enough job wiping after taking a shit, blood and crap are stuck in the butt crack and are therefore called a peanut butter jelly sandwich.