I smell what you're steppin' in - You know what the other person is thinking, but you're not a

You know what the other person is thinking, but you're not afraid to say it in the cruelest way possible.

I smell what you're steppin' in, you're telling me you're gonna text your mom and then cry in the hallway.

I smell what you're steppin' in, you're about to fail math and then blame the teacher for being ugly.

I smell what you're steppin' in, you're telling me you're going to eat the entire pizza and then say it's not good.