i could make a joke right now - You don't say the joke but you let it swirl around in your h

You don't say the joke but you let it swirl around in your head like a bad dream that won't go away.

Your teacher says, 'I could make a joke right now about your homework.'

Your dad says, 'I could make a joke right now about your mom's singing.'

Your brother says, 'I could make a joke right now about your pants.'