gud un 

been sarcastic towards someone, when they just merked you.

Josh: so Cory you like 4foot now?
Cory: gud un (underbreathe)>>nob

gud un by iamcory April 6, 2009

gudungas 

noun. VERY large breasts, though when referred to in this manner are not thought to all that attractive or appealing, just, merely massive. The word pendulous comes to mind.

Her gudungas would knock her right out if she tried to run...

gudungas by DazedDingo June 20, 2006