To ejaculate in your partner and let it harden to the point their orifice looks like a house made out of marble.
Cool Guy 1: Dude, I totally marble housed this girl last night!
Cool Guy 2: WOW. Very cool! Letâs make a rock band to commemorate this event!
Cool Guy 1: Yes! Letâs name the Marble House!
Cool Guy 2: Yes.