originated in the bay area the word D-mill describes a person who is high off marijuana and acting like a beligerent conservitive,hyphy, pothead,rich kid but only letting all his feelings be revealed through jokes and other comedic acts.
Oh my god!! Billy your being a real d-mill today, I mean why did you have to yell at those peopel after we smoke a blunt.
by OMG123456 January 8, 2008