UDGG=Ugh Dont Get Glorious
used when someone tries to brag or "get glorious" by something he/she did. usually something that he/she didnt actually do or something they are exaggerating.
Kid: yo i just benched 350 lbs. im pretty much the strongest kid i know
Me: UGH! Dont get glorious! (or when typing, UDGG)
Kid: yo i went to the club last night and banged like 5 chicks.
Me: UGH! Dont get glorious!
The act of being on an Instant Messenger (AIM, Yahoo IM, Windows Live, etc.) and sending your friends links to what ever you're seeing on urbandictionary.com, and they send you one back, and so on.