1 definition by Mila Jake

A pseudo-sorta halfway collection of facial hair above the upper lip. Often referred to by earnest wannabes as a 'mustache', a mustiche is usually too sparse to be considered so.

This is the sort of facial hair commonly worn by teens in their first flush of facial hair growth, but it has in the past few decades seen a resurgence among hipsters as an ironic reference to porn stars and child molesters of the 70s.
That hipster tried to grow a beard, but all he managed was a mustiche.
by Mila Jake February 2, 2011
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