Thomas Mugridge was beside himself, a blithering imbecile, so pleased was he at chumming thus with the captain.
Some of their Professors should be able to do good work in the blithering line.
It would be very easy to make a blithering ass of himself again—with her—because of her.
The London public won't stand that sort of blithering twaddle.'
I'll let the blithering class slide if you don't give me the towel!
And to think of her as the wife of that blithering little ass—that nincompoop of a Karl Brabetz!
Shorty, a man would be a blithering lunatic if he didn't keep on backing a winning system like mine.
Stand up, you blithering fool, and tell us what you mean by raising such a fuss.
Why in God's name could he think clearly and yet only talk like a blithering fool?
Look here, Jack, has everybody on the blithering police force gone crazy about pajamas?
1880, present participle adjective (from the first typically with idiot) from blither (v.) "to talk nonsense." From 1872 as a verbal noun.
Senseless or incoherent: blithering idiot (1889+)