A gay man. Used for a word that can only be used towards male homosexauls because gay can be used for both.
Sally: Oh my god, look at Timmy he is so cute?
Roger: Yeah but he is a mensbian.
by Rainbowofpeace June 01, 2010
In online sex play, a guy who plays a female avatar but only goes after other chicks.
I asked CuriousYellow023 to cyber but that mensbian said he only wants to do women!
by iano July 18, 2006

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