mick

noun (often lowercase) Slang: Extremely Disparaging and Offensive.

1. a contemptuous term for a person of Irish birth or descent.

noun

1. (sometimes not capital) derogatory a slang name for an Irishman or a Roman Catholic
2. Australian the tails side of a coin

n.derogatory slang for “Irishman,” 1856, from nickname of common Irish name Michael (q.v.).