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Short for Gay Anus. Can be used as a substitute for the words fuck and crap.

Pronounced Ga-ness or Gay-ness.
'This iPod is ganus'

'Tim you're fucking ganus'

by Mr. Cherryleggs December 03, 2006
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Yes, this word simply means yes. It's just a better way of saying it.
Boy "Will you go to the dance with me?"
Girl "Ganu!"
by Shortypo April 14, 2011
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