Blithering idiot
Basically, James May and Richard Hammond when they talk to Jermey Clarkson
Hammond you blithering idiot, you totally ruined this car!
blithering idiot
Someone highly unsensible. A highly annoying person. A babbling idiot.
You're a blithering idiot
blithering idiot
Someone babbling while being highly unaware of the situation.
"Students out of bed! Students in the corridors!"
"They are supposed to be out of bed you blithering idiot!"
"They are supposed to be out of bed you blithering idiot!"