Sweet Stache 

A mustache that is totally gnarkill or just looks devilishly good on someone.

What's that heavenly object above that mans mouth?
Why that's a sweet stache!

Sweet Stache by Jsizzle4rizzle November 8, 2007

Sweat-Stache 

When someone has a sweaty upper lip and rudely drink from an apparatus that is intended for consumption by multiple people.

“Why couldn’t you waterfall the Arizona? You straight Sweat-Stached my drink…I don’t want it anymore. Keep it!”

He says he through with her but he’s probably at her house right now sweat-stach’n her snatch😂

Sweat-Stache by Brittany Krystine August 16, 2022

sweatstache 

The tiny beads of sweat accumulated on a person's upper lip on a hot day

I had a major sweatstache yesterday

sweatstache by guy_with_vaccuum June 5, 2009

Sweatstache 

When one has sweat gathered above their upper lip.

I'm so hot, I've got a sweatstache!

Sweatstache by Definition Doner February 27, 2009