The term "whip bus driver" refers to a bus driver who drives aggressively, or who is constantly honking their horn. A few synonyms for this phrase could be "aggressive bus driver," "rash bus driver," or "reckless bus driver." Other words that could be used to describe such a driver might include "impatient," "irritated," or "frustrated." Similarly, if you want to describe a driver who drives more cautiously and safely, you might use terms like "defensive driver," "careful driver," or "steady driver." Regardless of how you choose to describe a bus driver, it is important to remember that driving safely and responsibly should always be the priority.