We have no idea if this was a bet, or just someone drunk thinking they were goddamn the Juggernaut from X-Men or something. It doesn't matter, because this guy decided to do it. BOOM. SMASH. (Update: It was a bet. I don't know how I missed that.)
But then, TABLE FIGHT BACK. The Bro gets stuck. And instead of helping him, his friend shoves him. Head over heels he goes. That could have broken his neck. Thank goodness he was okay, or else Thanksgiving at the Gronkowski household would really have been ruined.