Green’s Dictionary of Slang

a threatening phr. meaning ‘I’ll deal with you in due course’, ‘I’ll get even’.

1788, 1796		Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn) n.p.: I’ll be one upon your taw presently: a species of threat.
1812		Vaux Vocab. of the Flash Lang. in McLachlan (1964) 256: one upon your taw: a person who takes offence at the conduct of another, or conceives himself injured by the latter, will say, never mind, I’ll be one upon your taw, or, I’ll be a marble on your taw; meaning, I’ll be even with you some time.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue [as cit. 1812].
1859		Hotten Dict. of Modern Sl. etc. 107: ‘I’ll be one on your taw,’ I will pay you out, or be even with you, ? a simile taken from boys aiming at winning the taw when playing at marbles.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.