Mud baby

A sexual act in which a woman does not clean her anal cavity prior to anal intercourse and has 3 or more penises in her anal cavity At the same time until ejaculation at which point ejaculate and fecal matter ooze from the woman's anal cavity, creating a "mud baby".

Hey would you 3 guys wanna come over tonight and help me make a mud baby for my onlyfans page?

Garage à trois

age à trois
1: an arrangement in which three people have a sexual relationship while in a garage.
2: a sexual encounter involving three people in a garage.

Megan told her two friends that wanted to have sex in her garage they could only do so if they added her " trois " and made it a garage à trois.