Mascots of pro sports teams can certainly make people do weird things. Whether it's taking their shirt off in front of people they've never met before or eating things they normally never do for the sake of entertainment or to win money, they always manage to get everybody going in the crowd and everyone has a good laugh.
The Flyers fan appeared to be a little surprised that gritty decided to pour his beer into his shoe. After a few minutes of coaxing and even the fan getting into it, he decided to chug his beer back while still in his shoe.