Geturdun 

Doing something extremely well or fucking a chick.

Hey man geturdun!!!!....(you must say this an in extreme white guy voice/red neck voice)

Geturdun by Scuba fucking steve October 4, 2003

geterdun 

slang. a command to adequately complete a task of pressing importance.

slang. finish it.

Statement: Hey, let's go down to the bar and tip a few back.

Reply: Yeah. Let's geterdun!

geterdun by Paul from Marshall, County Calhoun October 23, 2004