Green’s Dictionary of Slang

jones n.2

[? johnson n. (1)]
(US black)

1. the penis.

[US]‘Iceberg Slim’ Mama Black Widow 221: A fine young freak queen kept rubbing his tender round ass against my Jones.
[US]‘Iceberg Slim’ Airtight Willie and Me 77: She had slashed my jones with her teeth.
[US]O. Hawkins Chili 87: I feel the tip end of my jones swell.
[US]‘Master Pimp’ Pimp’s Rap 43: Tha thang between your legs Whitey calls genitals, but in pimp school it’s called the Jones.

2. sexual intercourse.

[US]A. Baraka Tales (1969) 10: You mean you got a little Jones, huh? Was it good?

In phrases

get one’s jones off (v.)

(orig. US black) to reach orgasm; also fig. to enjoy.

Scorpio ‘When War and Love Collide’ on Scorpio’s Constellation of Fanfic 🌐 If the God of War wanted the God of Love to ‘work’ then he would have to pretend to not get his jones off by zapping some silly mortal into the throes of love.
get one’s jones on (v.)

(US black) to have a sexual partner on hand.

[US]T.R. Houser Central Sl. 25: get your jones on To have lined-up a partner for sexual intercourse. ‘You be gettin’ your jones on when you’re fittin’ to get some trim’.