Green’s Dictionary of Slang

1. (orig. US) Irish.

1894		P.L. Ford Hon. Peter Stirling 369: Fortunately it’s a Mick regiment, so we needn’t worry over who was killed .
1929		E. Dahlberg Bottom Dogs 208: He [...] slewed into the micksection of Frisco.
1934		H. Roth Call It Sleep (1977) 300: It’s a mick block.
1947		S. Lewis Kingsblood Royal (2001) 91: It won’t feel flat when Biddy and I get kicked off a Tennessee bus by a Mick conductor.
1952		I, Mobster 9: I knew [...] how far it was safe to go alone without getting caught by some Jew or mick gang.
1969		J. Hibberd Dimboola (2000) 78: father o’shea: Dickies. General laughter [...] knocka: Jesus, never thought I’d hear a reverend say something like that. Especially a mick one.
1976		N. Thornburg Cutter and Bone (2001) 58: Who the hell do you think I am anyway, some half-assed mick toilet paper salesman.
1985		B. Humphries Traveller’s Tool 8: With my strict Mick upbringing I’ve always drawn the line at bunging a bird on Diner’s.
1997		T. Fontana ‘Plan B’ Oz ser. 1 ep. 7 [TV script] What bog did you grow up on, you stupid mick bastard?
1998		I. Welsh Filth 314: A couple of the lads [...] used to play for the Republic. They’ve been teaching me all these daft Mick songs.
2004		K. Bruen ‘Fade To . . . Brooklyn’ in Brooklyn Noir 308: I’m [...] in some Italian joint and sounding Mick.

2. in sterotyped use of sense 1, stupid.

1896

‘Frederick Benton Williams’ (H.E. Hamblen) On Many Seas 52: [He was] pretending, of course, to believe that it was due to my incapacity that the job had taken so long to do and had required so much help. He finally alluded to me as ‘Mick’.

3. (Aus./US) Roman Catholic.

1924

P. Marks Plastic Age 201: I suppose you refer to Parker and Einstein — my one mick friend, although he isn’t Irish, and my one Jewish friend.

4. (US campus) easy.

1989		P. Munro Sl. U.
1992		D. Burke Street Talk 2 242: mick class exp. (teen slang) easy class.