completely irrelevant or mismatched; often describes a response that has nothing to do with the question asked

Attendants of the king of hell in Buddhist mythology; one has the head of an ox and the other the face of a horse.

A metalworking machine tool that uses linear motion to cut a workpiece; named because the tool head resembles the head of an ox.

(bird species of China) bull-headed shrike (Lanius bucephalus)

bull terrier; a breed of dog originally developed for fighting

(slang) a school class for students with poor academic performance or behavioral issues

ox's head doesn't match horse's face; inconsistent or irrelevant to the point at hand