Green’s Dictionary of Slang

roid n.

[abbr. SE steroid]

(US) in pl., steroids.

[US](con. 1986) G. Pelecanos Sweet Forever 66: He’d never be that maxed out again, but he’d sworn off the ’roids ever since.
[US]D.R. Pollock ‘Discipline’ in Knockemstiff 117: We drove down to Parkersburg to cop some more ’roids — fifty ccs of Mexican Deca.
[UK]J.J. Connolly Viva La Madness 18: He’s [...] bulked up from doing weights and ’roids.
[US] M. McBride Frank Sinatra in a Blender [ebook] How’d they get the roids out of the vans.
[US]F. Bill Back to the Dirt 9: He owed Miles six hundred dollars’ worth of steroids. He was nearing his next ten-week cycle. Needed his juice. His roids.

In compounds

roid-head (n.) [-head sfx (1)]

a stupid thug.

[UK]K. Sampson Outlaws (ms.) 24: She hated all the roid-heads and plazzy gangsters as much as she hated druggies.
[UK]J.J. Connolly Viva La Madness 330: He hires a pair of bodyguards — great big ’roidheads, dense as poured concrete.
roid rage (n.) (also roid rant) [play on road rage]

(drugs) aggressive behaviour caused by excessive steroid use.

[US]Newsweek 10 Oct. 55: At times he also displayed what might be diagnosed as the fabled ‘roid rage.’ In Seoul, for instance, he once picked up a reporter and tossed him to one side without evident provocation.
[US]ONDCP Street Terms 18: Roid rage — Aggressive behavior caused by excessive steroid use.
[UK]R. Milward Kimberly’s Capital Punishment (2023) 299: The combination of roid rage [and] sexual awakening.
E. Hagelstein ‘Our Lady of Mercy’ in ThugLit Mar. [ebook] I had to open the gym on time or the regulars would get cranky and one or two might go off on a ’roid rant.
Twitter 31 May 🌐 Steroids do not cause roid rage. That’s been debunked years ago.

In phrases

roided up (adj.) (also roided out)

physically bulked up by steroid use.

[Scot]T. Black Gutted 254: Two burly roided-up types with pit bulls straining at the leash.
[UK]J.J. Connolly Viva La Madness 95: A couple of big ’roided-up geezers.
[US]T. Robinson Rough Trade [ebook] The two roided-out monstrosities charged at me down the hallway.