He Can Fit An Entire Baseball In His World Record Breaking Mouth

Isaac Johnson has set the Guinness World Record for “Biggest Open Mouth.”  He’s able to stretch his mouth four entire inches from top to bottom.

@guinnessworldrecordsLargest mouth gape (male): 10.175 cm / 4 in by Isaac Johnson 🇺🇸

♬ Big Hall – DJ BAI