Green’s Dictionary of Slang

twaddle n.

also twaddler
[‘a fashionable term that for a while succeeded that of bore’ (Grose 1785). SE twaddle, idle talk, nonsense, itself f. synon. twattle, ? ult. tattle]

a bore.

[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]G. Hangar Life, Adventures and Opinions II 81: [To] denote a good education, and shew that you have kept good company, be mindfull of the following, which you will apply as the conversation will admit you [...] ‘That’s the barber,’ ‘Go it,’ ‘The tippy and the twaddle,’ ‘What a swell.’.
[UK]Lex. Balatronicum.
[Scot]W. Scott St Ronan’s Well (1833) 330: The devil take the twaddle! [...] he is too old and fat.
[US]C.A. Bristed Upper Ten Thousand 167: Mr Cranberry Fuster, who presided over [...] The Oldport Daily Twaddler.