Green’s Dictionary of Slang

1. a pork-butcher.

1909

J. Ware Passing Eng. of the Victorian Era.

2. (also pork) a Jew.

1909		J. Ware Passing Eng. of the Victorian Era.
1933		Ersine Und. and Prison Sl. 59: Pork, n. A Jew.
1949		Monteleone Criminal Sl. (rev. edn) 181: pork A Jew.
1973		J.B. Rubinstein City Police 399: The porkies have the bar [...] You know whose got the license? Pilz, the bookie over on Warner Street. That motherfucker got the license and he’s puttin’ a porkie in as front man.

3. an obese person, often as a nickname or a term of address.

1845		Era (London) 26 Jan. 10/3: Porky Clarke [...] attended upon Smith.
1863		Chambers Jrnl 7 Mar. 150/1: Porky Jenkins had been formerly ‘the champion of the light weights’ [...] Handsome but for a broken nose, brave but for his fat.
1874		Leeds Times 28 Mar. 6/5: ‘Porkey? Can’t say I know him.’ ‘You know; Porkey Cannon — Joe Cannon’.
1895		Coburg Leader (Vic.) 21 July 4/2: Porky is marked present at church every Sunday.
1900		Boy’s Own Paper 15 Dec. 162: ‘Porky’ Brown [...] was a very decent honest fellow.
1914		Sport (Adelaide) 21 Aug. 5/5: Porky W. (known as Toddles) .
1923		D. Hammett ‘House Dick’ in Nightmare Town (2001) 48: This Porky Grout was a dirty little rat who would sell out his family [...] for the price of a flop.
1939		H.E. Bates My Uncle Silas 134: Porky dear, the best thing in the world you can eat is cucumbers.
1941		A. Gurney Bluey & Curley 4 Oct. [synd. cartoon strip] I’ve camouflaged your tin hat for you Porky.
1944		J.T. Farrell ‘A Teamster’s Payday’ in To Whom It May Concern 63: ‘You’re sure in good with him,’ said Porky Mulroy, a rolypoly red-faced young fellow.
1959		I. & P. Opie Lore and Lang. of Schoolchildren (1977) 188: Podge, porker, Porky.
1965		R.L. Pike Mute Witness (1997) 79: A perfect example was Porky Frank.
1970		B. Oakley Salute to the Great McCarthy 75: He whips over to Porky Beveridge [...] ‘We don’t have that kind of talk round here.’ Porky goggling up at him—(what? Prise the profanity from Porky? Leave him dumb?).
1981		H. Gould Fort Apache, The Bronx 179: You’re lyin’, Porky.
2000		N. Griffiths Grits 174: Ornleh av t’look at chocolate an that’s it, am a porkeh.

4. (US black) a policeman [pig n. (2a)].

2008

R. Price Lush Life 30: We got to be like deep cover on this, ’cause all them porkies from the Eighth .