Undercutter

Someone who tries to steal your business by offering the same service/product for less money.

Javi Rox: Yo, I got these cheeseburgers! I sell them to you for a dollar!
Jay Nyce: I got those same cheesburgers for 50 cent!
Javi Rox: I hate that motherfuckin undercutter.

by Domexicano March 17, 2005

Underground

Art, opinion or organization that exists outside of mainstream society or culture. Also known as "independent" or sometimes "counter-culture".

Giff preferred the underground music scene in her area to the bland stuff that played on most radio stations.

by Gyro June 9, 2002

Underswap Papyrus

A weed addicted skeleton with cheesy jokes and a short blueberry brother.

Person 1 : DUDE IT'S UNDERSWAP PAPYRUS---
Person 2 : Who?
Under Swap Papyrus : *Slap*

by WeedDaddy April 4, 2017

Undertale Fandom

Mainly a disgusting and corrupt place.

"Man that person reminds me of the Undertale Fandom."

by KatariSan64 November 24, 2018

underfuckingstand

underfuckingstand - Understand, with "Fucking" inserted in the middle, making it an exclamation of frustration or, in some cases, a joking statement.

"What part of this do you not underfuckingstand?!?" or "I dont underfuckingstand!"

by Steve October 24, 2004

Under 300 Club

An overused youtube comment in which a poster that has viewed a video produced by a popular youtuber that has just been uploaded. If a lot of people watch a video that has just been released at the same time, the youtube view counter gets stuck at around 300-320. Also called the "Under 306 Club" "Under 311 Club" etc.

Thumbs up if you are in the under 300 club.

Welcome to the Under 300 Club. Have a coctail.

by bobmal March 6, 2012

Digital Underground

The act of inserting a finger (the digit) into ones anus (the underground).

The bored husband requested that his wife go digital underground on him during sex.

by OnlyOneAwake February 17, 2018