Green’s Dictionary of Slang

1. to deal twice together with the same pack of cards, for luck’s sake, at whist.

1754

Chesterfield in World No. 101 5: I was also a witness to the rise and progress of that most important verb, to fuzz; which, if not of legitimate birth, is at least of fair extraction [...] it means no less than dealing twice together with the same pack of cards, for luck’s sake, at whist.

2. to shuffle cards very carefully; to change the pack.

1753		E. Moore in World No 41 7: As to shuffling, fuzzing, changing of seats [...] he was an absolute ideot.
c.1786		Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: To Fuzz. To shuffle Cards Minutely: also, to change the Pack.
1788, 1796		Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn).
1801		‘Modern Dict.’ in Sporting Mag. May XVIII 100/2: [as cit. 1788].
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.