you must be joking!


you must be joking

You must not be serious. What you are saying is very surprising or unreasonable. Twenty bucks for a child's ticket? You must be joking! My painting sold for $5,000? You must be joking.See also: joke, must

you must be ˈjoking!

,

you’re ˈjoking!

(informal) used to show that you do not believe something, or that you find something ridiculous: ‘It’s the best movie I’ve ever seen.’ ‘You must be joking!’‘The boss wants us to work late again.’ ‘What? You’re joking!’See also: must