Green’s Dictionary of Slang

swole adj.

also swoll
[SE swollen]

1. (US campus) muscled.

[US]Da Bomb 🌐 27: Swole: Very muscular.
[US] Other Side of the Wall: Prisoner’s Dict. July 🌐 Swoll: Or ‘swole.’ […] (2) Big, muscular.
[US]C. Eble (ed.) UNC-CH Campus Sl. Spring 2014 15: SWOLL — muscular because of lifting weights or working out in a gym: ‘Before Spring Break all the guys go to the gym to get swoll’.

2. in fig. use, successful.

[US]UGK ‘Quit Hatin’ The South’ 🎵 There’s no room for everybody, just a few niggaz is swole.
‘Chelsea Summers’ in http://www.racked.com 28 Dec. 🌐 What’s separating the cool kids with the swole credit score from the wannabes who count their pennies?

In phrases

on swole (adj.) (US black teen)

1. swollen, large, usu. of a penis, erect.

[US]Ebonics Primer at www.dolemite.com 🌐 swoles, on swoles Definition: to be very large in some way – fat pockets, fat dick, etc. Example: That ho whipped out her breasteses and my jimmy was on swoles.
M.B. Morrison Somebody’s Gotta be On Top 30: Boy, yo’ dick is always on swole. You ain’t never gon’ be faithful.

2. lit. and fig., relaxed and free of stress [f. sense 1].

‘Noire’ Thong on Fire 136: But then the music switched up and he really put my head on swole.
T. Long Cash Rules 117: He drove a brand spanking new Acura RL and his pockets stayed on swole.
E. Dickens Double Standards n.p.: The club finna be on swole, and we guaranteed VIP when we get there.