a common phrase referring to the song of the same name where you repeatedly spam "how was the fall? how was the fall? how was the fall?" over and over again
hey, have you heard of this song called "Welcome to the underground? how was the fall? how was the fall? how was the fall? how was the fall? how was the fall? how was the fall? how was the fall? how was the fall? how was the fall?
by giovannicannoli February 22, 2021

A male or female who is secretly having multiple affairs, that are unkown to everyone else. The only people that know of the secret are also underground whores that are involved in the affair with another underground whore.
*Donald decides to pry and look at some Katie's diary that contains personal information regarding her skanky love life that would be unknown of otherwise* Donald's response is: "Damn this bitch is an underground whore!"
by KBiscuit April 16, 2011

Playstation Underground, or PSU is an online community where gamers can disscus Playstation and other things. The 2 most populare boards on PSU are the off topic, and the PSP. all the noobs go to the PSP board, where as more 1337 people post in the off topic (like famous PSU memeber, B-A-M.)
It's not uncomon on Playstation Underground (PSU) for people to praise B-A-M for being so super 1337. Infact, just the other day Patriot and PSX_Cheatser made a thread stating how much they wished they were B-A-M. and pxgamer was jelouse.
by B-A-M October 16, 2006

Online Mafia Game where you build your account and be in a gang. Kill,mug,weapons,armour,dogs,cars,belts,shoes, and having fun while doing so.
www.game1.themafiaunderground.com/?r=1712
www.game1.themafiaunderground.com/?r=1712
1********* hit *** **** **** causing 122,353,839 damage
Your pet ******** helped you in the fight, gaining it 2,500 Experience
The Mafia Underground
Your pet ******** helped you in the fight, gaining it 2,500 Experience
The Mafia Underground
by Stalkin_ur_mum April 11, 2011

Refering to a sexual action where a bunch of people get together underground and do the 5 letters of bingo
Begin the flirting
Intercourse
Nighttime
G-string must be worn
Orgasim
Monna is often included in this so is moseph
Begin the flirting
Intercourse
Nighttime
G-string must be worn
Orgasim
Monna is often included in this so is moseph
by SEXY PLAYA August 4, 2008

1.) "Yo Jared, did you hear that Stephanie was riding the underground railroad last night?"
2.) Luis and Tivo gave Monica a ride on the underground railroad last night.
2.) Luis and Tivo gave Monica a ride on the underground railroad last night.
by theMASShole August 14, 2012

the act of a girl starting with her tongue in the deep south (ball sack) and running up the length of the underside of the penis to the north (penis head). pioneered by harriet tubman, she is know as the best known giver of underground railroads, performing on Abraham Lincoln, getting him to free the slaves.
by chrisdylan March 4, 2011
