Green’s Dictionary of Slang

soupbone n.

also souper, super

1. (US) an arm.

[US]Van Loan ‘The Cast-Off’ in Big League (2004) 52: What Jaggs referred to as ‘the old soup bone,’ the same being the salary arm.
[US]Van Loan ‘Piute vs. Piute’ in Score by Innings (2004) 314: Beemis is having trouble with the old super [...] His arm hurts him.
T.A. Dorgan Outdoor Sports 7 May [synd. cartoon] I guess that was when your old souper was right. You were some hurler.
[US]Van Loan ‘The National Commission Decides’ in Score by Innings (2004) 297: Lefty’s arm is sore this spring, and any time the old soup-bone bothers him, he’s a crab for fair.
[US]Cincinnati Enquirer (OH) 20 Jan. 18/1: Which athlete earns his salary with his ‘soupbone’? [...] Pitcher.

2. the penis.

[US](con. 1920–57) Randolph & Legman Ozark Folksongs and Folklore II 787: Of a man who is ‘well-hung’ it is said ‘he sure has got a fine soup-bone hanging on him.’.

3. (US) the tongue.

[US]J.T. Farrell ‘The Oratory Contest’ in Short Stories (1937) 156: Well, Gerry, how do you feel? The old soupbone in your throat loosened up?

4. (Aus.) a term of address to a thin person.

[Aus]R.G. Barrett Between the Devlin 16: ‘Please yourself, you miserable big prick.’ ‘Mr Miserable Big Prick to you, soupbones’.

SE in slang uses

In compounds

soupbone bitch (n.) [bitch n.1 (1)] [her role as a cook]

(US black) a regular, long-term female partner.

[US]Ebonics Primer at 🌐 soup-bone bitch Definition: your wife, or live-in lover that you’ve been with way too damn long with Example: Fuck no I ’caint go, I gotta get back home to that stank soup-bone bitch o’ mines!