noun
biker gang; motorcycle gang; bōsōzoku
Refers to groups of young motorcyclists known for reckless riding, loud exhausts, and sometimes illegal street racing. The term is culturally specific to Japan.
夜中に暴走族のバイクの音がうるさい。
The noise of the biker gang's motorcycles is loud at night.
彼は若い頃、暴
When he was young, he was in a biker gang.