Also referred to as the anus. Often characterized by 'striations' that are in a star pattern.
Wow, that girl has some nice striations on her brown star.
by Landon Howe January 15, 2005
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Kyle forgot to wipe so his brown star bothered him (and everyone else around him) all day.
by Brownie the Clownie November 26, 2006
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the mark left when one presses one's unclean anus against the skin of another.
She knew she'd had a bit too much to drink when she woke up with a brown star on her forehead and an empty box of Franzia at her feet.
by EB August 18, 2003
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asshole; balloon knot; red eye; one's donut
Homosexual men have loose brown stars.

Blow my balloon knot, slutty hoe-bag.

While in jail, PJ got his donut 'punched' in by Big Dick Black.
by NYPD February 9, 2004
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when someone is having anal sex and pulls out as the person farts. causing small round pieces of poop to fly out
o man last night was crazy. why what happened? well i was doing my girlfriend and pulled out and she shot her brown stars all over me.
by tattooed ugly guy 1988 July 15, 2011
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Frank became a brown star when he screwed my sister in the brown star.
by Jay Ess December 29, 2006
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