‘Dead Giveaway’ Is Not as Dark as It Sounds

Today we talk about a serious and dangerous expression: a dead giveaway. A “giveaway” is just as it sounds: You give something to someone else. But a dead giveaway has nothing to do with tragedy or death.

Source : https://learningenglish.voanews.com/a/dead-giveaway----not-as-dark-as-it-sounds/7773187.html