EXAMPLES FROM THE WEB FOR THINKING CAP
Just let me put on my thinking cap, and I'll fix 'em, and don't you forget it!
I shall have to put on my thinking cap when you ask me any more, Laddie.
Well, after that remark there was nothing Jimmy Rabbit could do except to put on his thinking cap.
So I put on my thinking cap, and I soon learned of a very zealous antiquary living about five miles from where I was stopping.
Deadwood Dick withdrew from the edge of the ledge then, and put on his thinking cap.
"And about this wedding license, I'll put on my thinking cap," remarked Granny.
Well, I put my thinking cap on, and I began to wonder whether I could manage to keep you with me always.'
Now you put your thinking cap on and invent a name, something romantic and pretty.
Ben Jolly sat chewing a toothpick vigorously, his thinking cap on.
Your thinking cap isnt on straight to-day, or you wouldnt have let Fairspeckle pull the wool over your eyes the way he did.