To perform an unpleasant initiation ritual upon a usually non-consenting individual, especially freshmen to a closed community such as a college or military unit.
To oppress or harass by forcing to do hard and unnecessary work.
In a rodeo, to assist the bulldogger by keeping (the steer) running in a straight line.
To use aversive stimuli on (an animal, such as a bear) to encourage it to keep its distance from humans.