bang is:

• A loud noise, like an explosion.
• An exclamation mark (printer slang and computer jargon).
• An abrupt left turn (in Boston slang; the opposite of this, an abrupt right turn, is a hang).
• Factorial (in mathematics), because factorial of n is often written as n! .
• Slang for sexual intercourse
• Bang is also the name of an early 1970s hard rock group.
• A song, released as a single by the band Blur.
• A 1993 album by the band World Party
• In Korean, a bang (pronounced "bahng") is an amusement room for computer games, drinking, or other entertainment.
• The word "bangs" can mean hair that is cut short around the forehead. Often called "fringe" in Britain and "bangs" in the United States.
• The Big Bang
• Bang!, an Origins Award-winning card game of 2003.