bullback
/ˈbʊlbæk/Definitions
1. noun
The back or rear part of the head of a bull, or the upper part of the back of an animal’s head.
“The cowboy carefully examined the bull’s bullback before approaching it.”
2. verb
To attack or charge at something, especially a person, from behind, often in a forceful or aggressive manner.
“He bullbacked his opponent, catching them off guard with a clever move.”