Those who are familiar with the origin of why Will Muschamp is affectionately referred to as “Coach Boom” know that the South Carolina head coach has to be careful with his language when the microphone is on.

Ahead of South Carolina’s season opener against Tennessee, a video of Muschamp hilariously dropping an f-bomb in an apparently leaked outtake is going viral.

The video, shared by The Spurs Up Show, can be viewed below (warning: language):

Gamecocks players will presumably be getting a similar message in the locker room before kickoff. The game is set for a 7:30 p.m. ET kickoff from Williams-Brice Stadium in Columbia, airing on the SEC Network.