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no kidding
no kidding
(spoken) really or honestly No kidding, there must have been at least twenty thousand people at the festival.
no kidding
Truly, seriously, as in No kidding, I really did lose my wallet. [Colloquial; first half of 1900s]
no kidding
1. Used to express surprise or disbelief.
2. Used to express scornful acknowledgment of the obvious.