Here's a scenario for how absolutely defiant my child is. I get he's only 16 months old but he knows…

Here's a scenario for how absolutely defiant my child is. I get he's only 16 months old but he knows what no means. There's this PlayStation in my room that we used to watch a movie, not even out in the open. So he keeps on pressing the buttons and trying to break it, obviously I told him no and removed him/ distracted him several times. After about the 5th time I popped his hand, he cried and it took about 5 seconds for him to start doing it again. So I popped his hand again. And he started trying to press it again. What in the world do I do?! He does this with everything! I don't understand at all