Adjective; when men perform activites together that inspire competition, entirely ruled by testosterone.
I asked John if he was coming over, but he's out with his friends doing something mansexual.
by semperjim January 31, 2009
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a woman who's only bisexual as long as her man is with her.
Karen is bi-my-mansexual. She's only bi when she's getting it on with a woman in front of Marc, her boyfriend.

by cocogrrl June 8, 2006
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being sexual and doing activities in the way a man would. i.e. objectifying, mansplaining, going to hooters etc.
Not to be mansexual but she has the nicest tits I’ve ever seen.
by Octomac3000 November 24, 2021
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