Green’s Dictionary of Slang

one who cadges drinks.

1642		Tom Nash his Ghost [title page] To the three scurvy Fellowes of the upstart Family of the Snufflers, Rufflers and Shufflers.
1652		R. Brathwait Barnabies Summons n.p.: For all Malaga men, called Vintners, Sack-drawers [...] Tub-Taysters, Snuffers, Rufflers, [...] Shufflers, [...] Suck-spigots, Spewterers [OED].