Definitions

1. noun

a sudden, sharp, metallic sound, typically made by a spring or elastic object as it bounces back into place

“The toy’s spring made a loud boing as it rebounded from the floor.”

2. verb

to make a sudden, sharp, metallic sound

“The ball boinged off the wall and bounced across the court.”

3. interjection

an expression used to describe the sound of something bouncing or rebounding

“Boing! The spring released its energy and flew across the room.”

4. adverb

in a sudden, sharp, and metallic manner

“The trampoline made a boingy sound as everyone jumped on it.”