noun

A slang term used to describe the anus, asshole, or rectum.

Named as such due to the obvious resemblance it bears to a human eye of brown colour; not the eyeball but the specifically the brown iris and the pupil.
"Show us your brown-eye!" Daniel slurred to the girl in a way that seemed to emphasise his immaturity and lack of any intelligence.
by rapunzabel June 9, 2017
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Australian slang for dropping your dacks and showing your arse, basically mooning.
Someone would say "I was at the footy the other day and those dickhead yobbos down in the front were booing our team and chucking brown-eyes at them"
by bread infection October 23, 2005
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A man or woman’s exit point for log Or shit or entry point for a man’s cock, penis. love muscle or dildo.
I fucked her in her brown eye, boy did she scream.
by The_Kerse June 27, 2020
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reference to an individual exposing their sphincter to others for humour.
whilst one all fours, naked, he parts his buttocks at the party ahead and exclaims "look at my brown eye !"
by brewlio April 29, 2007
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A variation on mooning in which the person exposing their buttocks pulls them apart to dramatically display their anus; thereby invoking and conveying disgust.
In line for the toll booth dude was yelling at us, so Sylvie rolled down her window and showed him her brown eye.
by Mobius Rex May 8, 2008
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jimmy saw the cops and ripped his arse out of his pants to give the pricks a brown eye(here's lookin' at you kid)
by that guy August 30, 2003
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