Green’s Dictionary of Slang

wibble n.1

[it makes one’s stomach wibble, i.e. wobble]

any form of weak or bad drink.

[UK]New Canting Dict. n.p.: wibble sad Drink.
[UK]Bailey Universal Etym. Eng. Dict. [as cit. 1725].
[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Wibble, bad drink.
[UK]Lex. Balatronicum [as cit. 1785].
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]Duncombe New and Improved Flash Dict.
[US]Matsell Vocabulum.
[UK]Farmer & Henley Sl. and Its Analogues.
[Aus]Crowe Aus. Sl. Dict. 95: Wibble, bad drink.