The Rush Hour With JB & BillyTriple MBilly Torches His Duck Joke He’s absolutely slaughtered this one! “What kind of duck can walk on two legs?” DUCK JOKE: Follow @triplemrushhour to watch all of Billy’s jokes on Instagram. Catch the best bits of the Rush Hour on the LiSTNR app! Download it here. RELATED: Dead Winnie The Pooh JokeRUSH HOUR BEST BITS: