a gay man's anus or asshole
"my gaynus hurts so bad after last night", said Brokeback Tim
by RGDUB June 5, 2006
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n - act of being or being associated with the gay
"Brian gave Chris some gaynus for his anus."
by James Bass March 21, 2003
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Wow that guy sounds real gay.
Yeah He prob takes it in the gaynus
by Jim Reed June 8, 2006
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Gay + Anus = Gaynus. When someone is just being stupid.
"Your such a fucking gaynus, d00d!"
by AnniehhTrixx October 12, 2009
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A gaynus is a gay dudes anus that only lets cock that is of the gay nature pass through its angelic barriers
Bend over and open your gaynus for billy
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A word used to define a gay person who is donating to women streamers. And to a person who drools when the streamers female say their names.

Origin - Gay + anus = gaynus
Harry : "You are a frucking gaynus"
Oringehairedkidfromharrypoter : "That was only 80 quid!"
by hot red punching hood September 8, 2021
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