A lazy way to say something is good.
Shake: Yeah i heard that joke in the 2nd grade
WCube: Its a good 'un
by Dibidida July 07, 2005
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a lame person; a screw up who can't do anything right; a loser; a nerd.

As heard on the greatest radio show in the world: Rick and Bubba!
"My brother is a goodun."

"Yeah, he's Tuba Goodun, Jr."
by Old Dad October 18, 2004
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