bonk, n. — Green’s Dictionary of Slang

bonk n.

[echoic / bonk v.]

1. an abrupt, heavy sound, a thump.

1958

Willans & Searle Complete Molesworth (1985) 36: In all the bulets, wams, bonks and xplosions no english master would escape his fate.

2. a blow, esp. on top of the head.

1944		J. Cary Horse’s Mouth (1948) 58: Sara [...] got a bonk on the conk.
1984		Benjamin & Pearl Limericks Down Under 82: He gave him a bonk with a mallet.
2015		J. Stahl OG Dad 237: I have seen Baby N take some bonks on the melon that would dent a Hummer.

3. sexual intercourse [the theory that this sense is backsl. for knob v.¹ (2) should be rejected].

1992		K. Lette Llama Parlour 12: I stopped Gaz, mid-bonk, to pledge, in my best movie starlet voice, my adoration.
2001		OnLine Dict. of Playground Sl. 🌐 bonk n. sexual intercourse.

4. usu. of a woman, one who is available for sex.

1993		B. Moore Lex. of Cadet Lang. 53: bonk 2. a woman who is ‘good for a fuck’.
1998		A. Warner Sopranos 46: He’s a fucking bonk, a right spunker.

bonkbuster (n.)

1. a form of popular novel with an emphasis on sex scenes.

1998		S. McCracken Pulp 43: A variant on the bonkbuster that emerged in the late 1980s was the ‘sex and shopping’ novel.
2003		D. Else Britain 54: In the 1980s Jilly Cooper made the ‘bonkbuster’ her own [...] with seven further books of froth, frolic and infidelity.
2009		H. McQueen Glamorous (Double) Life of Isabel Bookbinder 45: God, I sweated blood and tears over that bonkbuster.
2011		Times Review 30 Apr. 5: We pick 12 classic highbrow bonkbusters.

2. attrib. use of sense 1.

1999		Guardian Guide 15–21 May 10: Her work is often accused of being trashy and schlocky bonkbuster material.
2005		E. Noble Reading Group 228: Her imagination was always ready to ‘flesh out the facts with a story cobbled together from a thousand made-for-television movies [and] bonkbuster novels’.

bonkhole (n.)

(S.Afr. gay) the anus.

2003

K. Cage Gayle.

bonk-on (n.)

an erection.

1981		W. Boyd ‘Hardly Ever’ in On the Yankee Station (1982) 39: He had a bonk-on all the English lesson.
1997		Roger’s Profanisaurus in Viz 87 Dec. n.p.: bonk-on n. Erection, as in: ‘A copy of Fiesta and a box of tissues please, Mr Newsagent. I’ve got a right big bonk on.’.