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When a woman's oestrogen levels drop and the hormone testosterone becomes dominant, the resulting (and often random) growth of hair around the lips is known as a fem-tosh. unlike a kev-tosh this is unwanted. Predominantly seen on elderly women, like grandmothers or the scary old lady who lives down the road.
Ooh, i need a shave i can feel a fem-tosh comin' on.
by RichTbiscuits December 05, 2003

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