boing

باللغة العربية: بُويْنْغ (صَوْت اِرْتِداد)

1. A representation of the sound of something bouncing.
2. Announcing the presence of large, pert breasts, which are bouncy. (slang)
3. Announcing the advent of male arousal (erection), via the metaphor of a spring springing energetically. (slang)