Green’s Dictionary of Slang

1. (orig. US) vile, repellent, disgusting; one of the most taboo adjs. of abuse.

1898		Special Instructions to Players prob. hoax doc. ‘issued‘ by US baseball authorities single sheet: Such brutal language as ‘You cock-sucking son of a bitch!’ ‘You prick-eating bastard’ ‘You cunt-lapping dog!’ ‘Kiss my ass, you son of a bitch!’ [...] and many other revolting terms.
c.1911		in E. Cray Erotic Muse (1992) 113: My father was hung as a horse thief. / My mother was burned as a witch. / I have seventeen sisters in the whorehouse / And I’m a cocksucking son of a bitch.
1927		‘J.M. Hall’ Anecdota Americana I 19: That dirty son-of-a-bitch, that lousy cock-sucking bastard, that whoremaster fairy.
1939		A. Bessie Men in Battle 144: The goddamn c... s...... bastards.
1948		Kerouac letter 8 Dec. in Charters I (1995) 173: But these next five years are not to be wasted ‘waiting’ for these cocksucking bastards with their sheep’s brains who will some day come bleating all over my premises.
1963		C. Wood ‘Spare’ in Cockade (1965) I i: How thick’s the cock sucking smoke?
1967		J. Rechy Numbers (1968) 84: Motherfucker, Johnny thinks. Cocksucking motherfucker!
1970		T. Southern Blue Movie (1974) 50: The cunt [...] the stupid . . . irresponsible . . . vicious . . . cocksucking little cunt!
1980		T. Lewis GBH 238: ‘The cocksucking bastard’.
1981		J. Ellroy Brown’s Requiem 73: Freshly painted obscenities covered the back wall near the workbench: ‘fuck’, ‘cocksuck’, ‘kill fuck,’ and ‘cocksuck bastard’. [Ibid.] 169: I don’t bet with the cocksucker. I don’t drink at the cocksucker’s bar, or live at his cocksucking fleabag hotel.
1988		R.R. Moore ‘Dolemite’ 🎵 He said, ‘I see yo lips quivering Unc’, but I don’t hear a cocksuckin word you sayin’.’.
1989		Tharunka (Sydney) 3 Aug. 20/1: ‘You fuck faced shit eating cock sucking polecat’, phrase which Minister for Education Dr Terry Metherall is considering having banned from state schools on a trial basis.
1992		R. Marcinko Rogue Warrior (1993) 192: ‘Thank you so much, you crotch-sucking monkey-furred heathen,’ I roared.
1999		(con. 1958) C. Logue Prince Charming 236: I hate that cock-sucking son of a spick bitch.
2000		M. Manning Get Your Cock Out 47: The lousy, mercenary cocksucking bitch had quit.
2006		B. Matthews Intractable [ebook] [T]hese cocksucking motherfuckers had their own way of teaching routines. With their fists. Their boots. And their batons.
2008		D. Sedaris When You Are Engulfed in Flames (2009) 167: A goddam cocksucking asshole.
2019		N. Walker Cherry 238: I’ve been [...] making your cocksucking dinner.

2. lit. fellating.

1933		Lyra Ebriosa 🌐 I get all my joys / From fat juicy boys; / I’m a cocksucking monarch, I am!
1959		in E. Cray Erotic Muse (1992) 407: That’s where she lives, the gal I adore, / That cock-sucking hussy, the Heidelberg whore.
2000		T. Udo Vatican Bloodbath 80: I’m a goddam fucken cocksucking, shit stabbing, jism-gobbling hard-core homofuckensexual.
2011		ntnews.com.au 21 Mar. 🌐 So a bloke walks into an outback pub, orders a c**k-sucking cowboy and then someone calls him a poof.
2015		(con. 1960s) M. Peppiatt Bacon in Your Blood 36: Back to your filthy urinal, Granny, back to your cottaging, and don’t show that cock-sucking face of yours here again.