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1.
A fetish where a straight man, bisexual guy/girl, or lesbian is turned on by a woman's menstrual blood.

In simpler terms, someone who thinks a girl's period is hot or sexy.
I was on my period and I was really horny, and I knew John was into that so I called him over. Who knew menophilia could be so great!
by menophiliac May 06, 2012