Green’s Dictionary of Slang

a euph. oath, lit. ‘God’s body!’.

a.1640		R. Brome New Academy II i: Sbobs I would not ha’ open’d it for fourty pound.
1686		Behn Lucky Chance II i: ’Sbobs, what dost mean?
1792		C. Dibdin ‘Tight Little Peter’ Buck’s Delight 30: I’m the lad so neat and natty, / S’bobs, girls, but I’ll be at ye.
1806		G. Colman Yngr John Bull II iii: ’Sbobs! this waistcoat feels a little damp.
1815		song title in Vocal Mag. 1 June 184: ’Sbobs! Love Destroys My Sleep.
1820		‘Peter Corcoran’ ‘King Tims the First’ Fancy 39: ’Sbobs! I declare, it does not smack amiss.