IShowSpeed can do a lot of things ... but beating Joey Chestnut in a hot dog eating contest is not one of them -- 'cause the current Mustard Belt holder absolutely smoked the YouTuber in a one-on-one match! The streaming superstar took on the 2025 Nathan's Hot Dog champion as part of his "Speed Goes Pro" YouTube series -- a project produced by OBB Pictures in partnership with DICK'S Sporting Goods. Before any wieners were devoured, Speed attempted to get an advantage by winning a series of mini