shock and hee-haw n.— «The surge really has accomplished a reduction in the violence, and things are safer. But convoys are still being hit by the IEDs and the vehicle-borne IEDs. They’re even putting explosive devices under satchels on...
flash-bang n. an explosive device that emits noise and light but is not intended to cause damage. Editorial Note: Flash-bang grenade is the full, more common, form. (source: Double-Tongued Dictionary)