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1. Someone that is completely useless and fake, not worthy of anyone's time.

2. A piece of shit, the lowest form of life.
"Mike is such a daigeaun, he asked me to hang out and never turned up"

"Excuse me, I've got to hit the restroom and take a steaming daigeaun"

"Dammit! I just stepped on some daigeaun and it won't come off my shoe"
by rpinsker March 02, 2010
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