"Oh, rats! Say, what do you want to do—brain us?"
"Couldn't," responded Tubby enigmatically.
"Couldn't what?"
"Brain you."
"Why?"
"Haven't got any."
"Any what?"
"B-r-a-i-n-s, brains!" yelled Tubby, retreating to a safe distance.
"I have it!" exclaimed Rob suddenly.
"What, the pip?"