pseudo-bike gang on foot
A group that mimics the style and behavior of a biker gang (暴走族) but moves on foot, often causing disturbances in urban areas. The term is a modern coinage and may appear in news or social media.
A pseudo-bike gang on foot was causing a ruckus in the downtown area late at night.
Refers to actual motorcycle/biker gangs, whereas 徒歩暴走族 specifically denotes groups that act like them but travel on foot.
Compound of 徒歩 (on foot) and 暴走族 (biker gang). A modern term describing groups that emulate biker gang behavior without vehicles.