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1.
a trail of seamen on a girls upper lip
she blew me until I gave her the ole milk mustache.
by Hairy Palmer January 24, 2003
 
2.
When getting a blow job the girl puts the dick on her upper lip when you cum, and lets the cum run down the sides of her lips.
Last night my girlfriend gave me a blow job, and i gave her a milk mustache
by Psyco6 February 03, 2012
 
3.
After a girl is done giving you a blow job, and your ready to cum, you cum on her upper lip. This will give the appearance of a milk mustache.
I'm gonna give that bitch a milk mustache tonight!
by TBKowns September 26, 2010
 
4.
After a girl is done giving you a blow job, and your ready to cum, you cum on her upper lip. This will give the appearance of a milk mustache.
I'm gonna give that bitch a milk mustache tonight!
by TBKowns September 26, 2010
 
5.
Once your done giving head to a guy, you pretend that you swallowed and make him think your just going to give him a kiss on the cheek goodbye but when you get closer, you spit it back on his upper lip.

(this is mostly used for revenge when a guy doesn't give you a hint he is going to cum)
"Ahh, that guy last night cummed in my mouth without telling me when it was going to happen, so I gave him a milk mustache."
by Jwizzzle16 December 28, 2009
 
6.
After cumming in a girl, she takes her finger and sticks it inside her vagina to get the cum out. Then she takes the cum and rubs it on your upper lip.

Female empowering version of a sexual joke.
I was laying with this chick after I blew my load and then she gave me a milk mustache.
by MustachiodeMilk June 04, 2009
 
7.
The art of ejaculating on your hand, but letting some get on your finger. Now gently rub the semen on your hand on to her upper lip. Forming a "Milk Mustache.


Note:It is like a Dirty Sanchez, but with Semen.
Austin wanted to spice up the night, so he gave Patriza a Milk Mustache.
by The Dirtier One March 05, 2009