just kidding
I wasn't serious; it was only a jokeI wasn't serious; it was only a joke.
Meaning
1 senses(informal)I wasn't serious; it was only a joke.
The winner of our trivia game here tonight will receive a prize of a million dollars. Just kidding! It's a fifty-dollar gift card.
She was just kidding when she teased him for being nerdy about zoology. In truth she likes his nerdiness.