Green’s Dictionary of Slang

an abbr. of ‘God’s’, as found in a number of oaths; see ’sblood! excl.; ’sdeath! excl.; ’sfoot! excl.; ’sheart! excl.; ’slight! excl.; ’snails! excl.; ’swounds! excl.

1635		R. Brome Sparagus Garden II iii: Sdaggers if ever man that had but a mind to be a Gentleman was so noddy poopt.
1675		C. Cotton Scoffer Scoff’d (1765) 284: S’Fish! I am a Slave.
1678		Behn Sir Patient Fancy I: ’Ds diggers, Sir, you have griev’d enough for your Mare in all Conscience; think of your Mistress now, Sir.
1678		Behn Sir Patient Fancy 1: Zoz, I was a modest fool, that’s truth on’t.
1681		D’Urfey Sir Barnaby Whigg 5: ’Sbud [...] a Pox on Phillis and Chloris, they were both Strumpets, I warrant.
c.1720		Comical Cheats of Swalpo 7: ’Sdiggers, he’ll steal your livers if he says he’ll do it.