Green’s Dictionary of Slang

tod (sloan) n.

In phrases

on one’s tod (sloan) (adj.) [rhy. sl.; ult. the US jockey James Forman ‘Tod’ Sloan (1874–1933)]

alone.

[1901		Sydney Sportsman (Surry Hills, NSW) 9 Jan. 3/6: Booth, who adopted Tod Sloan tactics, fairly outgeneralled the other riders by putting an immense gap between his mount and the field].
1934		P. Allingham Cheapjack 56: ‘Are you on your tod?’ I gathered that she was asking me if I was on my own.
1935		Thieves Slang ms list from District Police Training Centre, Ryton-on-Dunsmore, Warwicks 7: On his Tod Sloan: On his own.
1956		J. Curtis Look Long Upon a Monkey 186: A bloke on the crook was on his Tod Sloan; not mates, nobody to help him.
1959		W. Hall Long and the Short and the Tall Act I: evans: Special Mission. Got to blow up an airfield in North Africa. smith: What? On his tod?
1960		J. Franklyn Dict. of Rhy. Sl.
1963		C. Wood ‘Prisoner and Escort’ in Cockade (1965) I iii: hoskinson: On my own. blake: Your tod.
1969		S.T. Kendall Up the Frog.
1977		D. Powis Signs of Crime 205: Tod (Sloan) All alone: ‘He’s on his tod.’.
1979		F. Norman Too Many Crooks Spoil the Caper 119: Any other members of the firm around, or are you on your tod?
1985		S. Berkoff West in Decadence and Other Plays (1985) 110: At twelve o’clock I walk home on my tod sloan.
1989		(con. 1950s–60s) in G. Tremlett Little Legs 113: Stuck in there on my tod.
1994		M. Hayes Tell Us Anotheree! 7: ‘Poor old fellow [...] All on his tod, at his age’.
1996		P. Howard The Joy (2015) [ebook] Redser always had a cell to himself and he enjoyed being on his tod.
1998		I. Welsh Filth 289: I consider calling in at Bunty’s, seeing as she’s on her tod.
2002		J. Cameron Hell on Hoe Street 7: I managed all quite nice on my tod for a start off.
2002		D. Shaw ‘Dead Beard’ at www.asstr.org 🌐 ‘Who’s paying your duke of kent in this manor?’ I ask Dionne. ‘Nobody, Harry, I’m on my todd sloane.’.
2012		(con. 1980s) I. Welsh Skagboys 30: Ah sloped oaf tae see Oliver! six times oan ma tod.
2012		(con. 1943) G.S. Manson Coorparoo Blues [ebook] He was on his tod [...] Time to get rolling.
2019		P. Baker Fabulosa 296/1: on your todalone.