When a male depresses the bottom of the head of the penis on the space on ones face between the nose and the upper lip leaving a mark in the shape of a mustache.
by Bryan Silver November 20, 2007

A fraternity prank similar to a teabag where you lay your penis across the upper lip of an unconscious person, often documented with a photograph
by Mark VZ April 23, 2006

The act of growing a creeper-stache in order to scare children around Christmas time. (also works to frighten in-laws).
"Mommy Mommy...thats not Santa! He's SCARY!"
"Thats just some creeper with a Christmas Mustache, sweety..."
"Thats just some creeper with a Christmas Mustache, sweety..."
by sterile_babe111 December 4, 2013

by Jabbitt October 12, 2017

Eating hollandaise sauce from the vagina of a dead hooker, resulting in a neat Mustache of hollandaise sauce and decomposition fluids
by Dongkik666 December 11, 2022

by Drew Gilpin Faust September 16, 2016

When a clear fluid is applied to your mustache through the act of licking female genitalia , then going into cold temperature till your mustache freezes
by Frostymustacheman May 8, 2016
