mick /mɪk/noun 3adjective 1forms 4 noun3 •(slang, offensive) An Irishman. •(slang, offensive) An Irishman.The retired Royal Navy officer Tim McCullagh told me that he was often referred to as “Mick”, a derogatory slur for a person of Irish descent. — 2024 •(slang, offensive) A Catholic, particularly of Irish descent. adjective1 •(slang) Easy.Geology is so mick - half the jocks are in it. formsMicks · micks · more mick · most mick