Well, since this is The Tonight Show, the answer is obviously that Jimmy must be playing a new game!
Watch the video for Pop Quiz, Jimmy's new game where answering pop culture trivia questions incorrectly gets you closer and closer to popping a four-gallon water balloon with a sharpened fascinator all over your head. (We just have to say it: the things that Jimmy and his team come up with sure are the perfect blend of hilarious and bizarre.)
Who do you think is going to get soaked, Jimmy or Kelly?
Ch-ch-check it out! (above)