Underground Hoe 

One who is a hoe on the low. They seem innocent to their close friends but are secretly a freak in the sheets to any dude passing them by.

Ryan - Bro that Merick chick is a real underground hoe, ya know?

Sam - For real nigga? I always thought she was chill
Ryan - Nah bro she a lil freak, you ain't even know

Underground Hoe by larrythecatfisher September 17, 2017

underground mine 

A dark place where mentally disabled people are sent to work.There they perform work tasks like sleeping and having sexual intercourse with dogs.

You look like shit you look like you've just come out of a underground mine

underground mine by Suckmysausage May 16, 2018

Underground Dirty Dub 

the most violent, the most hardcore dubstep there is. only for the crazy mfers. mosh pit type shit

My friend: "Bruv do you listen to Marshmello? "
Me: "Nah, he too mainstream I like that underground dirty dub"

Underground Dirty Dub by martijngarritsen May 31, 2018

Underground Boxing 

boxing that partakes underground that's not mainstream for the fame and glory and doesn't seek for popularity

"aye bro you trynna go to the boxing match?"

"which one?"

"its underground boxing bro you wouldn't know but its going to be sick asf"

Underground Boxing by idkbroicantcomeupwithanything December 2, 2018

Underground Bunker Vibes 

Talking about having sexual intercourse in an underground bomb shelter

Friend: How’s things with your the girl your talking to
You: Well she’s giving off Underground Bunker Vibes

Underground Bunker Vibes by Hbnbs March 26, 2020

Underground Mafias Army 

A Club Penguin army community full of absolute wetwipes. Typically they go on Club Penguin Rewritten and try to annoy innocent players going about their day. The HCOM is clueless as well.

Did you hear about the Underground Mafias Army again? They're a bunch of nimrods.

Underground Mafias Army by clubpenguinlad December 18, 2020

Underground Country 

A large piece of land only accessible by those who are invited and/or have completed the initiation ceremony.

Antopia is an underground country ran by the mafia king.

Underground Country by Kg_cv February 16, 2021