In this popular audio clip, titled "Belch", one can hear a distinct sound effect that closely mimics the natural bodily function of belching, also known as 'arroto' in Portuguese. The audio is a clear, resonant, and realistic representation of a belch, which is typically characterized by a deep, rumbling noise. This sound is often associated with the release of digestive gas through the mouth. The audio clip is brief and straightforward, focusing solely on the belch sound effect, thus making it a perfect choice for various applications where a belch sound effect is required.