boing
exclamation
[ bɔɪŋ ]
• representing a reverberating sound, especially the noise made by the release of a compressed spring.
• "an idea struck him. Boing!"
boing
noun
• a reverberating sound.
• "there was a loud boing"
boing
verb
• make a reverberating sound.
• "this music boings and burbles"
Origin:
1950s: imitative.