Unless he's a bigger dope than I think he is.

I tried bride on for size and found it didn't fit as well as big fat dope.

"I guess that beefeater back there is just a big, simple dope."

"I know a big dope when I see one!"

The guy is just a big dope who owns a truck.

He was a big, loving dope of a dog whose defense strategy against intruders would surely have been to lick them to death.

"What am I going to do with you, you big dope?"

The big dope couldn't even imagine treachery and betrayal.

Actually, he's a big dope, but I can't help loving him.

"I'll stuff him to the ears and put him to sleep right after dinner, the big dope!"