When you ejaculate on someones mustache who has passed out during or after a party involving alcohol.

A fake mustache

When you cum on someones upper lip. Sometimes around the holiday but by all means during Santa's off season.

mustache style pubic hair on a female

a mustache that is not full grown, seen around town on skids and people that are to young to or cannot grow a real mustache. the "skid stach" is only worn by really lame people.

A skirt so short that you can see a woman doesn't wax her pubic

the month in which one group of bro's has a competition to see who can grow the douchiest mustache.