The stage passed drunk. When you are so wasted you cant feel your face and you hook yourself up to a life support cause you cant be bothered to breathe.

To moon someone, with the addition of the spreading of one's asscheeks, revealing their asshole with the moon.

ADJ: To destroy significantly, to leave a crater where the thing used to be.

an acne scar(see also crater face)

when the breasts indent

A 5 to 10 foot hole in the center of a humans chest.

In TF2, to crater is to fall from a ledge at low health and be killed by the fall damage. No matter who you're playing and how it happened, Cratering is both embarrassing and extremely funny, so craters are often followed by laughter, no small part of it belonging to the player who just cratered.