give the (whole) show away(redirected from give the whole show away)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
give the (whole) show away
To reveal something that was meant to be kept secret, especially a plan. You're going to give the show away if you don't quit whispering about it! They were trying to sneak up on the other team, but John's bright T-shirt gave the show away.