Groucho Marx is alive and well and living in Chillicothe

This'll probably lose a lot in translation, but it sent me into a laughing fit like I haven't had in months.

Me, upon observing Ziggy come out of the bathroom: "Do you know your fly is still unzipped?"

Ziggy, deadpan, without hesitating an instant: "No, but if you hum a few bars, I can fake it."