unferda 

The act of not being ferda ; Not being FTB ("For the boys")
This can be defined as doing things not good for the development of a group of friends ("Boys")
One of the worst insults for one of the "boys"

Chad: Dude, why are you going to a party with your girl! We had to go to the bar with the boys!
Brad: I love her Chad, you couldn't understand
Chad: Bro, that's so unferda
(Brad starts sobbing as he sees he has changed )

unferda by Med Grvs April 2, 2018

underdaks 

Meaning an under garment such as breifs, boxers, undies etc

- he arrived at school with only his underdaks on.

underdaks by Anthony Kitching October 11, 2004

underdark 

The underground world noted in R.A.Salvatore's books.

underdark by u.ber. August 21, 2003

Underdandable 

A stupider way of "understandable".

"I just watched a bird fly into a window"
"underdandable"

Underdandable by a cookie cooler than cheese March 26, 2022

Underdawg

If a guy's a slut and especially when he brags about it, he can be called a dirty dawg.
An underdawg is a guy who's a slut but keeps it on the down-lo.

A: "Corr that guy's a bit fit... I bet he's a dawg"

B: "Yeah but don't worry he's and Underdawg, you can get with him and you won't have to worry about him spreading it."

Underdawg by Ferinus August 18, 2010

Underday 

the day before yesturday

A underday ago was my birthday.

Underday by psendrom June 9, 2021

underdamaged 

Moistly Omipotent Cheese:
I think he is underdamaged to do stormy/22ex fast enough
Durandil:
the correct sentence would be I don't deal enough damage for 2 2 ex

"Oh man i got nothing from GoW today, guess I'll remain underdamaged."
"Man we almost failed our raid but barely succeeded coz everyone was underdamaged."

underdamaged by Playmaker2077 June 10, 2021