the result of too much homosexual but f*cking. It derives from "beeding anus".
Steve: "owwww stop Mick you'll give me a blanus!!!"
Mick: "That was the general idea..."
by Sharon June 30, 2003
Top Definition
1. Blanus is a blend of the phrase, "bleaching my dirty anus". Blanus is really for the neurotic on the go. They're a mover and shaker, a jetsetter, and can't be bothered with a blemished anus. Persistent sufferers of swamp ass will sometimes resort to a blanus to keep some of the fecal matter our of their sweaty run off. When wiping your ass just doesn't do the trick, and you find yourself looking in a mirror through your legs at your spread cheeks and your exposed asshole, giving yourself the stink eye back, you're well on your way to a blanus.
What're you doing tonight?" "I'm going home for a blanus" "Do you mean you're gonna scrub bleach on your anus?" "I don't have time for you.
by Blanophile April 08, 2011
An unnaturaly open space between the Blah and anus.
If you don't shut up, I'm going to tear you a blanus!

Suzie and I were going at it so long, and so hard that I tore her a blanus!
by Atrex December 18, 2005
After consuming too much liquid, your bladder somehow expands to connect to your anus - making it a blanus. Its very birdlike.
16 glasses of water a day has turned my bladder into a blanus.
by bwcodes March 03, 2009

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