Green’s Dictionary of Slang

a silver threepenny bit.

1907		Hull Dly Mail 19 July 3/7: For the ‘nimble threepenny dodger’ everyone will have the chance of winning one of the thirty odd pieces that are to be drawn for.
1923		Dly Herald (London) 20 Dec. 4/4: Only a practised clerk can run quickly up a long pence column and pick out the sixpences, ‘threepeny’ dodgers and coppers.
1931		Shields Dly News 9 Dec. 3/3: ‘Threepenny Dodgers for Church Collections’ / Why is it that Scotland has such a love of threepenny bits.
1937		Sunderland Dly Echo 4 Feb. 7/4: Wales Watches the ‘Dodger’. / In England the most popular coins are the sixpence or the shilling, but in Wales the threepenny bit leads.
1940		Hull Dly Mail 23 Mar. 4/4: A coin dated 1839 [...] designed something like a threepenny piece [...] must have been a greater nuisance than the oft-maligned ‘threepenny dodger’.

a round steak and kidney pudding, sold at threepence a portion.

1909

J. Ware Passing Eng. of the Victorian Era.

a cheap prostitute who has no room of her own and must stand against a wall for intercourse; thus the intercourse itself.

1659		Greene & Lodge Lady Alimony V ii: Let’s in a frolic way march to our old Friends in new Suits: and reserve a scrude look for a three penny Ordinary.
c.1707		‘The Long Vacation’ in Farmer Merry Songs and Ballads (1897) IV 139: When Poets and Players / Were so damnably poor; / That a three-penny Ordinary, / They often would Score.
c.1786		Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Three penny Upright a prostitute who dispenses her Favors Standing, for the Sum mentioned.
1788, 1796		Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn) n.p.: Three-penny Upright. A retailer of love, who, for the sum mentioned, dispenses her favours standing against a wall.
1811		Lex. Balatronicum [as cit. 1788].
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.
1839		Crim.-Con. Gaz. 6 Apr. 105/1: I saw the running fag of messrs Hillary [...] being blackguarded by a lot of unfortunate low prostiutes in Whitechapel Thinks I to Myself Thinks I, you have been having twopenny —— again, and bolted without paying .
c.1904		A. Crowley Snowdrops from a Curate’s Garden 32: By race a full-blooded negress, by profession a threepenny-uprighter, [...] by inclination a sapphist and cock-sucker.
2002		T. Pratchett Night Watch 111: ‘We’re not at home to a tuppenny upright, either,’ said Vimes.