Green’s Dictionary of Slang

1. the posterior, the buttocks.

1659		Mercurius Democritus 31 May-7 June 35: [The] Wenches [...] pull’d down Dick’s breeches (and having bound him hand and foot) soundly jerkt his Toby.
1665		‘R.M.’ Scarronides 8: He jerkt his sides and firckt his Toby.
1672		J. Phillips Maronides (1678) VI 76: For she had got another Booby [...] to jerk her Toby.
c.1663		‘Iter Hibernicum’ in Carpenter Verse in English from Tudor & Stuart Eng. (2003) 386: As soon as they had got their Tobies / On th’ outside of their little Hobbies.
1681		Otway Soldier’s Fortune IV i: Tickle my guts, you mad-cap! I’ll tickle your toby, if you do.
1764		K. O’Hara Midas III ii: His toby I shall tickle.
1831		Satirist (London) 1 May 29/2: [ref. to a rump of beef] After sharpening a huge carver [...] he cuttingly said to the baron before him, ‘Now, my Lord, for a touch at your toby’.
1840		R. Barham ‘Sir Rupert the Fearless’ in Ingoldsby Legends (1842) 39: Throw us out John Doe, and Richard Roe, / And sweetly we’ll tickle their tobies!
1847		Liverpool Mail 31 July 4/5: If Cardwell should try to leave us in the lurch, / We’ll tickle his toby with Liverpool Birch.
1855		Coventry Herald 14 Aug. 2/1: Nobody gives them the water they want [...] Till they catch a fine youth and tickle his toby.
1868		‘Richard the Third’ in Rootle-Tum Songster 50: Off wid his head, his toby tickle.

2. a woman’s genitals.

1664		C. Cotton Virgil Travestie (1765) Bk I 57: That Fame and Honour she may go by, / And let Aeneas firk her Toby.
a.1704		N. Ward ‘The Dutch-Guards Farewel to England’ in Writings (1704) 142: Farewel to your Women, made Fine by their Cloaths, / He that tickles their Tobies, endangers his Nose.