You have to be joking.
An example of to joke is to play a trick on someone.
An example of a joke is, "Why did the chicken cross the road?" "To get to the other side."
Played a joke on his roommate.
Their delivery service is a joke.
- A funny anecdote with a punchline.
- An amusing trick played on someone.
Your effort at cleaning your room is a joke.
The president was a joke.
It was a joke!
I didn’t mean what I said — I was only joking.
To joke a comrade.
- A serious matter.