Definitions by Ylena Megaboredavitch

UD-ing

Being so bored that you are searching anything and everything on Urban Dictionary, often for periods over over an hour. From the phrase OD-ing, meaning to overdose (on drugs etc.)

Person One: Dude, I'm so bored
Person Two: Me too. I'm actually UD-ing!

UD-ing by Ylena Megaboredavitch May 3, 2009