talk like a nut

"You going to talk like a nut all the way through?"

You talk like a nut and you discredit yourself before you have begun.

"Look, Lafe," Swinehild said, "you're too nice a guy to go around talking like a nut.

'Talk Like a Nut' Mr. Wolcott's theories pleased no one but their inventor.

Midway through Mr. Wolcott's first question, Mr. Potter, a cigarette clenched in his left hand, turned and asked, "Are you going to talk like a nut all the way through?"