any person who spreads defecation either verbally or by rubbing feces on the stall of a resturaunt restroom. Also refers to the more arrogant part of the Boise State University fan base. see also donk
The dirty donk just wouldn't leave the sensitive issue alone.

or

The dirty donk really messed up the gas station restroom
by badwillhunting April 1, 2009
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