A mustache worn by pedophiles, or people who look like pedophiles. Usually big and bushy...the mustache, that is.
John Oates has one ugly peder-stache.

Hey Pete, we should have known that Jerry liked little boys; he had a wicked peder-stache!
by Eel Ytak April 23, 2008
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A wall-stache is a mustache that either suddenly appears on one's wall or grows over a period of time. Wall-stache's are known to come in varying colors, shapes, and sizes, but the most common colors are brown and black.

Anyone who's wall is unable to grow a stache can obtain one simply by purchasing a fake mustache from a joke shop or costume bazaar. (caution, this fake stache on the wall will result in your wall losing any self respect and/or masculinity)
Me: Ah!, I've noticed that your wall has grown a handle-bar mustache.

Person who's abode I have entered: Yes, this is a rare Wall-Stache, they usually grow in stache colors of black and brown; not in the peppery tone mine has

Me: This is quite a feat your wall has accomplished.
by Sergeant Man-face Tinkleton August 5, 2009
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(n) A five o'clock shadow above the upper lip that looks like a line of dirt, rather than a moustache. Usually seen on greasy adolescent boys. Not uncommon in women.
Joe shaved and shaved his upper lip so he could fit in and have a moustache like Pedro. Well indeed Joe was not as hairy as Pedro, and developed only a dirt stache instead.
by gafhater August 13, 2004
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The act of smearing vaginal secretion above the lip of a person.
Sally swiped her fingers through her vagina and gave Mark a sashimi stache.
by cwest13 October 17, 2009
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a mustache that is visible on a female, or any other visible facial hair on a female that resembles a mustache.
Jen had a very visible miss-stache, it was thick and quite unattracticve.
by Hail P. Plinlog May 7, 2007
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If a cop doesn't have a mustache, he's a rookie. There are no known exceptions to this rule. Cops are their own gang, and the cop stache is the "gang tattoo" they use. Independent style requires independent thought, and those with independent thought would never become a cop. The cop stache is an inevitability for any aspiring cop.
Police Chief: "You're no longer a rookie, Johnson. Grow a cop stache or get out of my jurisdiction."
by Pacati October 6, 2007
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A poop stache is the remnant hairs or ingrown hairs that are still visible on a guy's upper lip even after they shave. No matter how many times they shave it still stays there. A poop stache is most noticeable on guys who grow hair mostly on their upper lip and nowhere else on their beard or sides of their faces; this makes it look even more like shit.
Evelyn: "Look at John, isn't he a hottie?"

Abby: "Yeah, too bad he has a poop stache"
by brittany snow February 3, 2008
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