Green’s Dictionary of Slang

boner n.4

[bone n.1 (1a)]

1. an erection.

[US](con. 1958) R. Farina Been Down So Long (1972) 191: She caught me with a boner, dammit.
[US]R. Price Ladies’ Man (1985) 53: I immediately got one of those boners that start from the heart.
[US]S. King It (1987) 807: You liked it! You got a boner! Biggest boner I ever saw!
[NZ]A. Duff One Night Out Stealing 103: Grab her hand and shove it down on the old fulla [...] Feel that for a boner, babe.
[Ire]P. Howard The Joy (2015) [ebook] Me boner eased as I slipped the package between the gum and me cheek.
[UK]Indep. Rev. 1 Oct. 12: The goal of a porno movie should be to give you a boner.
[US]C. Hiaasen Skinny Dip 157: Chaz was waiting [...] with a bottle of wine and a world-class boner.
[US] M. McBride Frank Sinatra in a Blender [ebook] We got a good look at each other in that unforgiving light and my boner died fast than a two-dollar watch battery.
[SA]IOL Cape News 7 Oct. [Internet] What did this guy do when he saw this woman coming with a knife to his boner?
[UK]K. Koke ‘Could Have Been’ [lyrics] Jump on your mans dick, leave the boy alone ma. / Before I tell your man you've been looking for a boner.
[UK]Times Weekend Rev. 8 July [Internet] They have boners. They aren’t embarrassed. They cup, adjust. ‘I’ve got a semi on,’ they might say, conversationally.

2. the penis.

[US]‘Victoria Parker’ Pay for Play Cheerleaders [Internet] Well, okay then. I’ll play with your boner, Mr. Milton.
[UK]Guardian G2 7 June 15: This man’s fractured his boner, you cock. He needs an urgent urology opinion.

3. (Aus.) of a man, one who has sexual intercourse; thus mad boner, an especially keen fucker n. (1)

[Aus]B. Moore Lex. of Cadet Lang. 52: boner 2. (literal) a fucker, one who fucks or bones someone.

4. (Aus.) a general term of abuse, on pattern of fucker n. (3)

[Aus]B. Moore Lex. of Cadet Lang. 53: you boner! non-specific term of abuse = ‘you fucker!’.

5. (US) in fig. use of sense 1, an obsession.

[US]J. Ellroy ‘Hot-Prowl Rape-O’ in Destination: Morgue! (2004) 314: I copped to all the big snuffs. You name it, I copped to it [...] It was my thing back in the old days, before I got this boner for skin.
[SA]IOL News (SA) 27 Mar. [Internet] Rasdien allegedly told Wilson, ‘I’ve got a boner for you,’ as she walked past him.

In phrases

bounce one’s boner (v.)

to masturbate.

‘FAQ’ on alt.sex.masturbation [Internet] 74 Bouncing your boner.
have a boner for (someone) (v.)

to be obsessed (usu. negatively) with.

[UK]T. Black Gutted 85: Laughing boy has no hope other than to hang [the murder] on you...and he’s a boner for ye.