A sexual act of placing peanut butter on the penis, then proceeding to engage in anal intercourse followed by forcing the female participant to eat the end product resulting in a Reece's Pheces Penis Butter Sandbitch.
Yo I went full retard on this chick last night and made her a Reece's Pheces Penis Butter Sandbitch.
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 sandwichtoday."
Man 2: "Was it good?"
Man 1: "No, it needed some fruit."