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3.
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
 
1.
A series of pimples and or zits in the shape of a moustache. Probably caused by eating grasy food and not washing you face.
See also acnebeard
Eww look at that guy's acnestache!
My brother has a prominent acnestache.
His acnestache was a big turnoff.
by Alison King August 29, 2007
 
2.
When someone has acne right above there upper lip that resembles a mustache.
dude-man u got an acne-stache
other dude-what?
dude-get some proactiv and trim it
by ben/m August 19, 2007