The act of doon'ting
John asked me if I smoke, but I doon't
by Harpalyke June 12, 2018
Doon't is an alternate version of do not.
I doon't have to do that!!
by Steve Sysak February 6, 2006
To both accept and reject.

E.g. "I do and I do not."
Responder being one with mixed feelings about the subject.
1: Do you enjoy drinking?
2: I doon't.
by DavenKunju August 25, 2020