'Mickey' definitions:

Definition of 'Mickey'

From: WordNet
noun
(ethnic slur) offensive term for a person of Irish descent [syn: Paddy, Mick, Mickey]

Definition of 'Mickey'

From: GCIDE
  • Mick \Mick\, Mickey \Mickey\n. a person of Irish descent; -- an ethnic slur, offensive and disparaging.
  • Syn: Paddy. [WordNet 1.5]