i could make a joke right now - You keep the joke to yourself but let your brain make the wo

You keep the joke to yourself but let your brain make the worst version of it and you're stuck with it.

Your uncle says, 'I could make a joke right now about that pizza.'

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

Your friend says, 'I could make a joke right now about that kid's lunch.'