Green’s Dictionary of Slang

tippery n.

[SE tip/tip v.1 (3)]

payment, i.e. the ‘world of tips’.

[UK]W.T. Moncrieff Tom and Jerry III ii: She wants the tippery – there – (gives money).
[UK] ‘The Cly-Pecker’ in Swell!!! or, Slap-Up Chaunter 38: The tipp’ry was ask’d for the crib, and agree’d.
[UK]New Sprees of London 15: The water drinkers are rather liberal in their tippery, so that they cop some bona cullies to fake the slum.
[UK]W.L. Rede ‘I’m a Young Man Most Highly Respectable’ 🎵 I want an uncle, with plenty of tippery.