# boing

CEFR C2 · Interjection

Source: https://englishreference.com/word/boing
Updated: 2026-05-28

## Definition

the sound of something bouncy or springy hitting a surface. You use this word to imitate the noise of a spring jumping up.

For teachers: an onomatopoeic representation of the sound made by a compressed spring or a resilient object rebounding from a surface.

## Examples

- The ball hit the floor with a loud boing.
- Every time the cartoon character jumps on the trampoline, the speakers emit a comical boing sound effect.
- The sound designer layered a metallic boing over the animation to emphasize the exaggerated elasticity of the protagonist's mechanical legs.

## Usage notes

- Often used as an exclamation or a sound effect in informal writing and comics.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.