1 definition by Andrew Turner, Adam Purcell

Top Definition
The act completing a specific task, the end of any action or noun, in either a highly negative or highly positive manner.
Pos - Dude, school's finnally out. We're Doneski!

Neg - 44 to 0 fourth quarter? Dude, our team's doneski.
by Andrew Turner, Adam Purcell November 10, 2007
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