Some scheme was hatching in the professor's giant brain.
"Are you suggesting that the world telephone system is now a giant brain?"
It tickled him to think that both these giant brains should be so greatly exercised on his account.
There were times when he saw man, with his giant brain, as equivalent to the dinosaurs.
Fry breaks free of the illusion, and attempts to attack the giant brain.
The whole thing had been a giant brain and now the brain was dead.
"Your nephew Victor is still the same giant brain he always was."
Her analogy was too heavy for me: the universe as a giant brain, thinking.
Press reports of "giant electronic brains" aside, few people called the first computers intelligent.
He is a super genius whose entire head appears to be a giant brain.