VULGARISM > COLLOQUIAL ENGLISH
blither
»If he was to blither, it was only fair that she should bleat back.» (T. T. T. 22. 21.)
The author. Conversation between ladies and gentlemen.
»Don’t believe these blithering idiots have ever seen a girl before.» (Tommy and Co. 229. 12.)
A young journalist.
= to talk volubly and nonsensically.
The original form of the word is probably blather (Icelandic bladhra, Swed. pladdra), blether a Scottish form, while blither seems to be the modern vulgar form.
(Cf. Bletherskate: a boaster, a noisy talker.)