also: マルそう
Police slang for a biker gang, especially associated with 暴走族 (bōsōzoku). Used in law enforcement contexts.
See also: 暴走族
Last night, members of a biker gang were arrested.
The police are cracking down on biker gangs.
Standard kanji spelling for this police slang term.
Katakana spelling used in police jargon; the reading is マルそう.
Police slang; the exact derivation is uncertain, but 丸 may be a code or abbreviation used in law enforcement, and 走 refers to running or driving.