Imagine getting hit by a professional fighter. It would hurt, right?
It definitely would. But what if the person delivering the punch was UFC lightweight champion Khabib Nurmagomedov, the technically gifted Russian who has beaten the likes of Conor McGregor, Rafael dos Anjos and Dustin Poirier over the years.
Well, this brave (or stupid) fan wanted to feel the power of the Dagestani destroyer in the form of a body punch to the stomach.
Needless to say, he immediately regretted his decision.
At the time, the undefeated Nurmagomedov was sitting on the sideline as he nursed an injury.
A botched weight cut prevented him from competing for the interim lightweight against Tony Ferguson at UFC 209, and while the 31-year-old continued to train ahead of his anticipated return, he was clearly having some fun in the meantime.
The pair did hug it out at the end of the clip but seriously, that must have hurt.