Top Definition
The act of baring one's anus to a party as a sign of defiance.
starer---> one who studies stars

venuser----> one who studies venus

mooner---> one who jumps out of alleys to young women, bent over, showing them his bare derrier sayin "How's this for a black hole?"
by Kung-Fu Jesus April 28, 2004
when someone pulls down there pants so to reveal their anus, usually done by someone secrectly proud on their butthole and likes showing it to people, sometimes after pants is droped they stick someones nose into their butthole
gansta: yo dat biotch did sum mooning and stuck my face into his buttox and pooed all over my face, and it smell like i just stuck skunk spray down my nose
by The Jizz King July 22, 2006
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