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Undank- adj. Bad, shitty, not good, unfortunate.

Undank is an extension of the slang term "dank" which has recently been used simply to mean "good."
That burrito was extremely undank.
by Patrick Sullivan February 16, 2005
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2
When a meme isnt dank enough
Loser1: MLG LOL XD RAWR

Semi-loser2: That was Un-dank
via giphy
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