A fork of Rural Dictionary
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.
1. unable to have the potential to be high quality. 2. someone/something that has reached the lowest level of quality attainable.
"The fact that Emily likes diet drinks is one of her most undankable qualities."