spunk, v. — Green’s Dictionary of Slang

spunk v.

[lit./fig. uses of spunk n. (3)]

1. (also spunk off, spunk up) to ejaculate; thus spunking n., ejaculation.

1867		Rosa Fielding 78: At last, he managed to get in, up to his balls; and in two or three more shoves experienced the delight and relief of spunking into a virgin womb.
1888–94		‘Walter’ My Secret Life (1966) V 959: This emission in popular language is called spending, or spunking, and is the period of the highest pleasure of the fuck.
1966		Trimble 5000 Adult Sex Words and Phrases.
1974		Searchlight (Sydney) #84 8: I wanted to spunk-off all over her then.
1992		Eble Campus Sl. Apr. 9: spunk – any sexual activity carried on in the library: ‘See the newspaper taped over that carrel window? Someone is spunkin’ in there.’.
1992		in J. Green It 96: They all spunked off, though – I would have been really angry if they hadn’t. One man actually spunked off five times.
1998		A. Warner Sopranos 258: Sailors [...] spunkin on the Axminster.
2000		M. Manning Get Your Cock Out 51: Mincey [...] started banging the crap out of his vinegar stick, spazzing into jizz mode and spunking all over the wall.
2002		T. Parkes ‘The Exciting World of Pornography Part Two’ on Anal Hospital 🌐 Is that just spuzz? Cock puke flushed from the warm, uncaring balls, and spat like so much off milk? Or are these men spunking up their hearts?
2004		M. Finn CocktoCock Stories 2 192: He pushed and grinded dick on dick as he spunked off. His hand was not done [...] he wanked their pricks till there was no more cum left in them.

2. as sense 1, of a woman.

1957

P. Groves Juvenile Lead n.p.: Rosa too was beginning to moan and drove her fingers into her aching maw with a frenzy that showed her coming was also near. Then, with a shuddering groan, her hands slowed between her thighs and with convulsive kicks she too spunked down her warm thighs.

3. to consume, to use up.

1997		N. Barlay Curvy Lovebox 71: Only twenny gees [...] You an’ your chums’ll spunk that in no time.
2001		Eve. Standard mag. 23 Feb. 42: We spunked what was left of our collective winnings.
2017		Guardian 29 July 🌐 [W]e’ve met asset manager Zayn, who thinks nothing of spunking five grand on a black savannah cat.
2018		I. Welsh Dead Man’s Trousers 74: He stated spunking a fair chunk ay his new-found wealth on food.

In phrases

spunk off (v.)

1. to bring a male partner to orgasm.

2008

B. Kahr Who’s Been Sleeping in Your Head? 300: It’s the same as the first, except in [...] the passive version, it’s me who’s kidnapped, and spunked off by a straight boy.

2. see sense 1 above.

spunk up (v.) [spunk n. (1)]

1. (US) to act aggressively, courageously.

1836		T. Haliburton Clockmaker I 277: What have you done for us? [...] Who did you spunk up to last Session?
1856		M. Griffith Autobiog. of a Female Slave 212: I thought I’d take day airs down; but den, dey spunk up and say dey was not niggers, but colored pussons.
1864		Westmorland Gaz. 19 Mar. 3/5: Americanisms [...] He talks of spunkin’ up to an all-fired, tarnation slick gall, clean grit.
1885		C.A. Siringo Texas Cow Boy (1950) 55: I finally spunked up and drawing my pistol proceeded in the direction from whence came the groan.
1898		Star (Reynoldsville, PA) 21 Sept. 6/4: You’d orter spunk up ’nough shorely to say ‘howdy’ to ’em.
1900		Ade More Fables in Sl. (1960) 106: Then he Spunked up and said [...] they wouldn’t Talk about it any more.
1999		K. Sampson Powder 378: Willard and Guy were welcome to spunk up all over them, and each other.

2. (US) to encourage someone to be courageous; thus spunking up.

1838		T. Haliburton Clockmaker II 224: They will spunk ’em up to rebellion.
1889		R.T. Cooke Steadfast 395: You stan’ by the parson and spunk him up, dear [DA].
1935		O.O. McIntyre New York Day by Day 6 June [synd. col.] What a man needs in the miseries is a spunkin’ up.

3. (US black) to speak out.

1948

Z.N. Hurston Seraph on the Suwanee (1995) 886: ‘Oh, that’s no trouble, Miss Awry,’ Janie spunked up.

4. see sense 1 above.