And Balaam said to the donkey, “Because you have made a fool of me. I wish I had a sword in my hand, for then I would kill you.” Numbers 22:29
Your response to April Fool's Jokes should be just that.
Of course, he was talking to a donkey. And it was talking back. Maybe not the best how-to-apply-the-Bible-to-your-life illustration.
No swording anyone today. Have a sense of humor. And not just because it's April 1.