An (intentional) misspelling of "doesn't", used to intensify your statement. Usually shows that you strongly disagree (or that you're a retard who can't spell properly).
*Guy One keys teacher's car*
Guy Two: Stop that, I know he's an asshat, but that doenst make it right!
Guy Two: Stop that, I know he's an asshat, but that doenst make it right!
by t.nu September 13, 2011
Get the doenstmug.