Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "blithering" in a sentence
"Somehow the word blithering seems to go better with the word idiot."
"At least I haven't yet been called a blithering idiot!"
"Of course, if he did look at the details first, and then decided to go off on his tirade, then I do apologise for calling a blithering idiot for not reading the details."