When you are banging Nikki, you shove a banana in her ass while she swings on the sex swing manned by a pulley system. This is a difficult move when she is sober.
Dude, I was so glad nikki got white girl wasted last night and let me reverse gorilla her!!
by Dudeawesome77 October 22, 2017
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A variation of the gorilla mask, a reverse gorilla mask is a sexual act which involves two men. The "donor" first cuts his facial hair. He then proceeds to cum on the shaved testicles of a male friend, the "recipient". The donor then sprinkles his facial hair onto the recipients testicles.
"Dude, you shaved!" "Fuck yeah, man! Last night I totally gave Anthony a reverse gorilla mask!"
by ampatr8 November 1, 2009
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