Most parents claim their 16-year-olds have a big mouth, but Isaac Johnson from Minneapolis has a Guinness World Record to prove it. Guest Host Wanda Sykes wanted to see just how big his mouth was, so we invited him to Los Angeles to play a round of 'Can He Fit It?' with a bunch of random items. Watch Jimmy Kimmel Live! WEEKNIGHTS 11:35|10:35c on ABC, streaming, on demand, and Hulu.