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Mick

American  
[mik] / mɪk /

noun

(often lowercase)
  1. a contemptuous term for a person of Irish birth or descent.


Mick British  
/ ˈmɪkɪ, mɪk /

noun

  1. derogatory (sometimes not capital) a slang name for an Irishman or a Roman Catholic

  2. the tails side of a coin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Mick

First recorded in 1870–75, generic use of Mick, diminutive or pet name of Michael