Definition & Meaning of "motorhead"in English

What does "motorhead" mean in car slang?

It is used to describe a person who is very enthusiastic about cars, trucks, or motorcycles, often spending time working on, modifying, racing, or simply obsessing over vehicles. People typically say "He's a real motorhead" when someone knows engines inside and out or lives for car culture. The term originated in mid 20th century American slang, possibly from the 1970s band Motörhead, but the word itself predates the band, and remains common in car and bike communities alongside "gearhead."