Sentence examples for joke on from inspiring English sources

"joke on" is a correct and usable phrase in written English.
It is typically used when someone plays a prank or makes a humorous statement at someone else's expense. For example: - "I can't believe you fell for my joke on you! That was hilarious." - "He thought he was being clever, but I turned the joke on him by revealing the truth." - "Don't try to pull a joke on me, I'm not falling for it."