goonstache 

A moustache that a teenager (or adult) grows in an attempt to look cool, but makes them look like a goon. In some cases the moustache is not filled in all the way or is badly groomed.

He thinks he looks cool with his goonstache, but it looks like dirt under his lip

goonstache by DjDelmo June 7, 2015

GooseStache 

1. A thin pedophile mustache usually on a teenage boy that can barely grow facial hair. Made popular by a dude named Goose who has a pedophile mustache.

2. A mustache on a dude named Goose.

Look at that odd GooseStache.
I am going to grow a GooseStasche.
When are you going to cut off your GooseStache

GooseStache by !@#$$%$$$$$$ October 14, 2015

Goochstache 

The hair lining your gooch

i have a goochstache

Goochstache by Homie Mamedis February 18, 2005

Ghostache 

A mustache that only appears occasionally. Origin unknown. First noticed as a shadow on the upper lip, may later show up in photos to the confusion of the clean shaven individual afflicted with it.

"Did you see that ghostache gigato was sporting at trivia last Tuesday?! Off the richter!!"

Ghostache by arigato September 11, 2009

poonstache

What is left on one's upper lip after performing successful oral sex on a female. Much like a milk mustache.

After I went down on Donna, I had a huge poonstache.

poonstache by Jamed January 11, 2009

grosstache 

a gross moustache, often a sign of truly high intellect and virginity

I had been a happy person before I grew this grey grosstache!

grosstache by Worstward January 8, 2009

Poonstache

Tom sellecks mustache is known as the "Poonstache" and counts as it's own habitat, containing such creatures as the rare, but not uncommon Tony Danza.

I just sharted in his Poonstache.

Poonstache by Simonius January 8, 2006