poke fun at (someone or something)
To mildly taunt or mock someone or something; to make fun of someone or something. The humorist has long been poking fun at figures high in the social and political spheres, drawing the ire from many of them. I was just poking fun at him—I didn't think he'd take it so personally!
poke fun at someone/something
If you poke fun at someone or something, you make unkind jokes about them. She was upset because Elspeth had poked fun at her mother and father. Most historians and writers poke fun at the royal visit, and for good reason.