To "let the cat out of the bag ... Possibly "letting the cat out of the bag" was always meant as no more than an entertaining mental image of the explosiveness of a confidence's revelation ...

(Nikola Motor/via AFP/Getty Images) In medieval England ... of medieval England also gave us the expression “to let the cat out of the bag,” in honor of those times that suspicious buyers ...

The clip opens with a mysterious voiceover: "Once you discover the secret, don't let the cat out of the bag," it says ... that the cult movie will be re-animated with a new R-rated cut Clair ...