1 definition by chick singers

When someone has a ton of acne above their upper lip, making it seem like they have a mustache made of acne. Is noticeable, but the acne usually isn't too bad.
Person 1: "Ew! That guy has such an acnestache.. he should grow a real one to cover it."
Person 2: "It's not that bad..."
by chick singers September 14, 2008
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