'Don't be ridiculous!', 7 letters
C'mon, quit kidding, 7 letters
That's a joke, right?, 7 letters
You can't be serious!, 7 letters
Face facts, slangily, 7 letters
This puzzle's theme, succinctly, 7 letters
Words after Oh, come on, 7 letters
Straighten up and fly right, 11 letters
Wake up! in Teheran, 7 letters
Leisurely moneymaking scheme?, 15 letters
Financial advice to a child?, 16 letters
Part 5 of the observation, 14 letters