This is the faint mustache seen on many older women and lesbians. Some of them even groom it and trim it into shape like men.
Me:Escuse me, mr-

lady with femistache:i'm a lady!

me:(thinking) well, you have one hell of a femistache! you look like a guy! (aloud) Sorry!
by Andariel The Cool December 3, 2009
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