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12.
Any moustache, beard, sideburns, or any combination of aforementioned types of facial hair grown in such a way, or worn by such a person, as to convey a sense of creepiness; short for 'molester moustache.' Originally coined by
Abraham Finkbeinner in some filthy frathouse basement.
Isaac, you filthy man! With that woodland camo hat, plaid shirt, and tattered jeans, your otherwise respectable facial hair has become a Molestache!!

Look at that creepy guy in that panel van, with the mullet and Molestache.
by Stephen Nazzaro August 29, 2006
 
1.
A group of bristles or hairs about the mouth of a man who cannot seem to grow it in fully. Sometimes this is caused by the subject going through puberty, but it is generally thought that Darwin's theory of evolution may take part in this phenomenon.(if a person is undesirable, his body may not allow him to have normal bodily functions...like growing hair on his face.) This act of trying to grow facial hair but horribly failing is usually perpetrated by child molesters and heshers for some unknown reason.(or possibly the Darwinist theory above)
That guy over there in the trenchcoat reading teen beat has a killer Molestache!
by pimphuge February 25, 2003
 
2.
MOLESTache, the unfashionable mustache that rapists pedophiles(child MOLESTers) and dictators wear.
BTK killer, Hitler, Stalin all have a molestache. Exemptions Burt Reynolds(only).
by jamesemoryjackson July 22, 2006
 
3.
A group of thin, wispy hairs located on the upper lip that the wearer believes constitutes facial hair. Much like he believes her thin, wispy cries constitute consent.
Hey, nice molestache...wait, what are you doing? Don't touch me, just--no! Oh, God! Help! Please, someone! AAAAAAAAAHHHHHH!!!!!!!
by mart1779 February 11, 2009
 
5.
A certain type of moustache worn by people who either are or will be on a list of local sex offenders.
"Dude look at Captain Crunch's molestache, he totally touches children."
by the cotck August 20, 2009
 
6.
Part Mustache. Part Molest. 100% Pure Sexy.
Hide the children! That creepy man with the molestache is in town again.
by Lom Johnson July 23, 2009
 
7.
A horrible grow of hair on the upper lip halfway between peach fuzz and a mustache. This frighting facial hair is often grow on the lip of a teenage boy either trying to look manly or simply refusing to shave. Can also appear on the face of an old woman.
Oh look at Jim he really needs to shave he is getting a molestache.
by psizzle93 January 30, 2009