bang on Definition

bang¹
noun

1. A sudden loud explosive noise.

Thesaurus: detonation, blast, explosion, roar, shot, crash, peal, smack, thud, thump, wallop, boom, report, peal.
2. A heavy blow.
3. coarse, slang
An act of sexual intercourse.
4. slang
An injection of an illegal drug.

verb, tr & intr banged, banging

1. To make, or cause something to make, a loud noise by hitting, dropping or closing it violently, etc.

Example: went out and banged the door behind her
Thesaurus: hit, strike, pound, slam, drum, hammer, thump, rap.
2. To hit something sharply, especially by accident.

Example: banged her elbow on the table
3. To make, or cause something to make, the sound of an explosion.
4. coarse, slang
To have sexual intercourse with someone.

adverb

colloq:
1. Exactly.

Example: bang on time
2. Suddenly.

Idiom: bang goes something

colloq
That is the end of it.
Example: Bang go my chances of promotion

Idiom: bang one's head against a brick wall

To waste one's time trying to achieve something that has little or no chance of success.

Idiom: bang on

colloq
Exactly on target; exactly as required.

Idiom: go with a bang (go off with a bang)

To be a great success.

Etymology: 16c: from Norse banga to hammer.

Phrasal Verb: bang away

To make a continuous noise by hitting something.
Example: banging away on an old typewriter

Phrasal Verb: bang on

To speak at great length about something, especially repetitively and boringly.
Example: forever banging on about what he did in the war

Phrasal Verb: bang someone up

To imprison them; to shut them up in a cell.