An abbreviation of 'Don't Mind Do You?'
Welsh phrase used by people in the know.
Useful in interrupting people mid sentence, when taking the mickey, trying to sway someone's opinion over a moral matter, and as a general sentence enhancer. Beware of copycats.
Officer: "Oh, boys, is that a bong on the roof of your car?"
Driver: "Dun' Mind D'you?"
"Dun' Mind D'you?"
"I dun' fuckin mind"
"I just sold my last rolo to some edder for a tenner. Dun' Mind D'you?"
*Pointing* "He Dun' Fuckin' Mind!"