Your sisters moustache

Your half gay brother in law who is of a different race.

Who is this gay black guy hitting on me? Oh that's just your sisters moustache.

by The lábinator January 9, 2020

finger moustache

When someone curls their index finger into a square shaped moustache means they want to aggressively make out with you

“Katie is doing the finger moustache, you know what that means😏”

by Ronald McDonalds left toe November 12, 2022

Smexy Moustache

A moustache that is incredibly attractive to anyone, including men. Could also mean a macho style of facial hair.

"Dude, look at William Howard Taft!"
"Yeah, what's special?
"He has such a smexy moustache."

by The CheeseCake May 7, 2013