bang1

noun

• 1a sudden loud noise:the door slammed with a bang I heard a series of loud bangs
• a sharp blow causing a sudden loud noise:I went to answer a bang on the front door
• a sudden painful blow:a nasty bang on the head

• 2 (bangs) a fringe of hair cut straight across the forehead:she brushed back her wispy bangs

  [from a use of the adverb bang to mean 'abruptly']

• 3 vulgar slang an act of sexual intercourse.

• 4 Computing the character “!”.

verb

• 1strike or put down (something) forcefully and noisily, typically in anger or in order to attract attention:he began to bang the table with his fist Sarah banged the phone down [no object]:someone was banging on the door
• come into contact with (something) suddenly and sharply, typically by accident:I banged my head on the low beams [no object]:she banged into some shelves in the darkness
• [no object] make a sudden loud noise, typically repeatedly:the shutter was banging in the wind
• (with reference to a door) open or close violently and noisily: [with object and complement]:he banged the kitchen door shut behind him [no object, with complement]:the door banged open and a man staggered out
• [no object] (of a person) move around or do something noisily, especially as an indication of anger or irritation:she was banging around the kitchen
• (of a sports player) hit (a ball or a shot) forcefully and successfully:in his second start he banged out two hits
• vulgar slang (of a man) have sexual intercourse with (a woman).

• 2cut (hair) in a fringe.

adverb

• exactly:bang in the middle of town
• completely:bring your wardrobe bang up to date

exclamation

• 1used to express or imitate the sound of a sudden loud noise:firecrackers went bang Bang, Bang! You’re dead

• 2used to convey the suddenness of an action or process:the minute something becomes obsolete, bang, it’s gone