Green’s Dictionary of Slang

tweaguey adj.

[tweague n.]

angry, irritated.

[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Tweague. In a great tweague: in a great passion. Tweaguey; peevish, passionate.
[UK]Lex. Balatronicum [as cit. 1785].
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.