Hill Bombing

Skateboarder, 20, Fatally Struck By Dump Truck In Angeles National Forest IdentifiedPederson, along with two other skateboarders and a van driver were "hill bombing" -- a daredevil practice of skateboarding on curvy, winding roads.
'Hill Bombing' Has Kids Taking Skateboarding To Deadly New ExtremeKids are taking skateboarding to deadly new extremes and CBS2 caught it on tape. More adolescents and teens are “bombing” – where skateboarders skate down hills at speeds up to 45 mph, often without helmets.