LeBron James has made himself a few enemies in the state of Ohio in his day, but he's still a very big supporter of the state's favorite college football team - Ohio State. James openly roots for the Buckeyes, which means that he also openly roots against the Michigan Wolverines. After UM's failed attempt at a 2-point conversion that would have stolen a victory from the Bucks in Ann Arbor, James took a playful shot at the team on Twitter.
"Bish" is a lighter term for...well you can probably figure it out. Kendrick Lamar would be proud.