UDB 

Under Desk Boner

Man I hate when I get UDB's and boss man tries to call me in for a meeting.

UDB by JWall69 January 26, 2017

UDB 

U dumb bitch.

Nobody wants your boo UDB.

UDB by YASSUDB August 11, 2011

UDB 

Unidentified Drunken Bruise

I woke up with a UDB this morning

UDB by Agent Stencil November 21, 2009

UDB 

UDB stands for urban dictionary bitch. A person who doesn't let words onto urban dictionary because they are wankers. Case closed.

"Wow my word wasn't accepted those people are such a UDB"
"Why didn't you accept my word your an F***** UDB"

UDB by Amazinggobstopper July 12, 2014

UDB 

Uncessary douche baggery. Being an ass hole for no reason.

UDB on the offense. 20 yards. First down.

UDB by Timmeh G. July 30, 2011

UDB 

football team fo somebody who does not play at all
so they are UNDER THE BENCH

yo you suck so bad your UDB

damn coach just UDB you

UDB by bigdawg4699 June 5, 2009

UDB 

You Duh Bae

Here, you can copy my homework
Thanks bro UDB

UDB by themfucktards March 30, 2015