slippery moustache

a moustache that in trimmed leaving only a thin line of hair directly above the upper lip; thus giving the illusion that it is sliding off of ones lip.

look at ron's stupid slippery moustache.

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clown moustache

After going down on a woman with unfortunate menses, the area around your mouth will be red, like a clown's.

Woman: "I am now afraid of clowns because after going down on me you had a clown moustache."

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moustache cup

A present bought for another when the real recipient is yourself

Justin was so selfish that he bought Gayle a moustache cup for her birthday

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Growing a Moustache

Performing cunnlingus on a woman with a large ammount of pubic hair.

Try doing a google image search of "moustache", you'll see why it's called "Growing a Moustache".

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private moustache

1. Genitals, particularly those of female humans.

"Kate called me up last night. Yeah, she wanted me to come over and massage the private moustache"

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shit moustache

A shit moustache is the process of wiping ones finger between their sweaty ass cheeks and rubbing quickly and precisly under the moustache area

Before the stupid prick realised i had landed a beauty of a shit moustache right on his chops
mmmmmm finger licking good!!!!!

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"Milk" moustache

A retro 1970s-style moustache common among the characters in the 2008 period film "Milk."

His "Milk" moustache is totally ironic. He's just another straight hipster boy.

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