Topic: COLOURS AND SOUNDS
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bang1 S3

1 [countable]C a sudden loud noise caused by something such as a gun or an object hitting a hard surface :
There was a loud bang outside the kitchen door.
There was a loud bang outside the kitchen door.2 [countable] a painful blow to the body when you hit against something or something hits you [= bump]:
a bang on the head
a bang on the head3 hair cut straight across your forehead [= fringe British English]
bangs
[plural] American EnglishDCB5 something that gives you a good effect or a lot of value for the effort or money you spend on it :
Are taxpayers getting enough bang for their buck?
(get) a bigger/better etc bang for your buck
informal
Are taxpayers getting enough bang for their buck?