Green’s Dictionary of Slang

scrote n.

also scroat, scrot, scrotum
[abbr. SE scrotum]

1. a general term of abuse.

[UK]Clement & La Frenais Porridge 2nd Ser. i. 140/1: D’you know I was only out the cell for half an hour, but in that time some scroat whipped the rest.
[US]J. Wambaugh Choirboys (1976) 25: ‘Scrotums?’ ‘Not bad, but too long.’ ‘Scrotes, then,’ said Willie Wright [...] ‘Scrotes! That’s what all people are: ignorant filthy disgusting ugly worthless scrotes. I like that! Scrotes!’ [Ibid.] 152: I heard that faggy remark, Slate, you scrote!
[UK]K. Lette Mad Cows 120: What kind of scroat do you think she’ll sell him to next time, eh?
[UK]R. Puxley Fresh Rabbit 119: A stingy scrote who ‘wouldn’t give his shit to the crows’.
[UK]K. Sampson Awaydays 24: The Doncaster scrot who gobbled off Baby and me behind a pub.
[UK]Guardian G2 14 Mar. 17: DI Burnside informing some scrote that he’s ‘goin’ daahn’.
[UK]K. Sampson Outlaws (ms.) 94: They mean these couple of scrots from Kenny.
[UK]Independent 12 May 4/4: A well dodgy scrote asking for a kicking.
[UK]Guardian CiF 20 Dec. 🌐 There’s only one way to fight these scrotes. And it's not softly softly.
[US]T. Robinson Rough Trade [ebook] ‘Put the gun down, ya big scrote’.
[Ire]L. McInerney Glorious Heresies 216: [H]aving trouble with your dad, Ryan? Having trouble with this jackeen scrote?
[UK]J. Meades Empty Wigs (t/s) 302: How did I get the distinct impression this flat-top scrote wasn’t a fan!

2. the scrotum.

[US]T. Pluck Boy from County Hell 117: ‘I’m about to stretch the Sheriff’s scrote as big as a bedsheet’.