Ah no. It hinges on paracetamol and acetaminophen being two names for the same analgesic. Everything but that sentence was perfectly serious. It's also a rare

Ah no. It hinges on paracetamol and acetaminophen being two names for the same analgesic. Everything but that sentence was perfectly serious. It's also a rare joke where explaining it won't reduce the effect: by the time a Brit hits the end of the offending sentence, it's too late.