Green’s Dictionary of Slang

(UK Und.) to cheat at dice; spec. to slide a dice out of the dice-box without actually letting it roll; thus as n.; also n. slurring.

1600		Munday & Drayton Sir John Oldcastle IV i: Sirrah, dost thou not cog, nor foist, nor slur?
1669		Nicker Nicked in Harleian Misc. II (1809) 109: [They] wheedle him into play, and win all his money, either by false dice [...] or by palming, topping, knapping, or slurring.
1674		C. Cotton Compleat Gamester 14: Another way the rook hath to cheat, is by [...] Slurring, that is by taking up your Dice as you will have them advantageously lie in your hand, placing the one a top the other, not caring if the uppermost run a Mill-stone [...] if the undermost run without turning, and therefore a smooth-table is altogether requisite for this purpose.
c.1698		B.E. Dict. Canting Crew n.p.: Slur, c. a Cheat at Dice.
1714		T. Lucas Lives of the Gamesters (1930) 137: He was very dexterous at Slurring, which is, throwing the dice so smoothly on a table, that they turn not [...] some are so expert at this, that they’ll slur a die a yard in length without turning.
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1811		Lex. Balatronicum.
1822		(con. early 17C) Sir W. Scott Fortunes of Nigel II 283: Men talk of high and low dice, Fulhams, and bristles, topping, knapping, slurring [...] and a hundred ways of rooking besides.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.