Angry Bull is a rare powerups in Beach Buggy Racing 2, it can be unlocked at Level 3, also categorized as the Boosts.
If you hit someone or something with the horns, it will trigger a stampede at various speeds depending on the level.
If you hit the opponent racers with the horns, they will get out of the car/vehicle immediately.
If you have Angry Bull enabled, it will disable dynamite from blowing you up.