Imitative of the sound of a smart heavy blow.

Used to represent the sound of an impact, blow, explosion, etc.: ‘bang!’, ‘pow!’.

An exclamation uttered when something strikes an object, or a sound imitative of such a blow. Cf. biff, v. 3.

Representing a brief resonant sound (of the kind described at sense A. 3). (Frequently reduplicated.)

Representing the sound of a blow, punch, shot, etc.: ‘Wham!’, ‘Bang!’ Also figurative. Also as n.

A sound of an impact, either dull or plangent. Also int. or as adv.