duffing up is the female equivelant of beating up, or kicking ass. It's not so violent in a sense, and to a certain degree. It usually involves excessive screaming, clawing, pushing, and shit-talking.
ali is effing duffing up mandy, alis guna win, mandys so screwed.
โดย Ali Lansing 15 กรกฎาคม 2006