bang
1. bang \'ban\ vb [prob. of Scand origin; akin to Icel banga to hammer] 1: to strike against : BUMP 2: to knock, beat, or thrust vigorously often with a sharp voice 1: to strike with a sharp noise or thump 2: to produce a sharp often metallic explosive or percussive noise or seri es of such noises 2. bang n 1: a resounding blow 2: a sudden loud noise 3a: a sudden striking effect 3b: a quick burst of energy 3c: THRILL 3. bang av : RIGHT, DIRECTLY 4. bang n [prob. short for bangtail (short tail)] : a fringe of banged hair 5. bang vt : to cut short and squarely across (as front hair)
Webster's English Dictionary