Green’s Dictionary of Slang

a general pej. term.

[1843		Bellew Memoirs of a Griffin I 214: The cry of ‘sewer, sewer!’ (‘hog, hog!’) arose from many voices].
1847		C. Campbell Rough Recollections I 149: ‘Thanks be to God,’ cried the old man, rising; ‘that it is you and that there are honest folk in your company; for these places have of late been polluted by Bhanchoot soors – cursed swine – or thieves’.
1848		J.H. Stocqueler Oriental Interpreter 214/2: SOOR, SOOR-KA-BUTCHA, abusive terms, of which the Hindostanee language is fertile. Soor is a pig, and soor-ka-butcha the offspring of a pig. As the disciples of Mahomed abominate the unclean animal, these epithets are highly offensive when applied to the Moslem.
1849		W.H. Jeremie Furlough Reminiscences 196: Adjt. Silence, you suer! Did you not see him smoking? Bunghy. Truth, my lord – you are my – Adjt. Choop rascal. – Take him away, and the woman too.
1857		Bombay Qly Rev. V 134: ‘Why don’t you maro the soors?’ observes the gentleman, with a gruff good-nature; ‘I’ll soon make them choop!’.
1864, 1867, 1870		Hotten Sl. Dict. 240: Soor, an abusive term [...] Anglo-Indian.
1877		A. Allardyce ‘The Anglo-Indian Tongue’ in Blackwood’s Edinburgh Mag. May 551/1: ‘Soor,’ or pig, is one of the commonest expressions of abuse, and one that is most offensive to Mussulmans.
1888		Kipling ‘In the Matter of a Private’ in Soldiers Three (1890) 68: Losson bought a parrot [...] He taught it to say: ‘Simmons, ye so-oor,’ which means swine, and several other things entirely unfit for publication.
c.1890		J.T.W. Baboo Eng. 175: Is it better thing to clean dirts in the home of the famous Lord and to say to him soor [i.e. a pun on ‘sir’], than rupees thousand even per mensem from the low caste fellows.
1905		Leader (Melbourne) 25 Nov. 29/2: ‘Split me, but I’d like, to stick ‘em through ‘is bloomin’ witals, the yellow soor (pig)!’.
1909		Mrs. E. Cotes Burnt Offering 216: ‘Be silent, soor’ said the Sub-Inspector.
1916		P.C. Wren Driftwood Spars 230: ‘Sling yer ‘ook, soor’.
1919		B. Cable Old Contemptibles 92: ‘Why don’t the soors come an’ fight it out?’ said Corporal Smedley.
1927		(con. WW1) P. MacDonald Patrol 83: ‘What about these soors been pooping off at us? Why not have a slap at ’em?’.
1936		(con. 1900s) F. Richards Old Soldier Sahib (1965) 74: You black soor, when I order you to do a thing I expect it to be done at once.