High pitched and highly irritating sound found on most electronic devices, phones, trucks reversing etc. Usually consists of a sine wave or triangular wave, clipped to make a short *beep*. Often used as a warning sound.
*beep beep beep beep beep*
"Huh what's that beepinaaaarrrrggghhh"
*SPLAT*
If your friggin mobile beeps once more mate then I am going to shove it into your *insert name for orifice*