All I could think about was, don't blow this one, you big dummy.
"You're asking me, 'How come it took so long, you big dummy?' "
He most often refers to Lamont as a "big dummy".
For a split second she wondered whether it wasn't Sawyer after all but a big dummy he'd left as a joke.
The big dummy doesn't comprehend that there are some things people simply oughtn't to know.
Fred often insults his son, usually calling him a "big dummy."
You and me and the two big dummies over there.
"He called me a big dummy," Leiter said, "and threw the ball away."
'Like you not got a woman to work on, just some big dummy.'
"You know, I kind of like this big dummy," the guy drawled.