mickey2 Syllabification: (mick·ey)Pronunciation: /ˈmikē/Translate mickey | into Italian Definition of mickey noun informal 1short for Mickey Finn.I bet some guy slipped me a mickey 2 (in phrase take the mickey) chiefly British tease or ridicule someone. Origin: 1930s: of unknown originmickey in other Oxford dictionaries Definition of mickey in the British & World English dictionary