Source : Free On-Line Dictionary of Computing

cruncha cruncha cruncha
     
         /kruhn'ch* kruhn'ch* kruhn'ch*/ An encouragement
        sometimes muttered to a machine bogged down in a serious
        {grovel}.  Also describes a notional sound made by grovelling
        hardware.
     
        See {grind} (sense 3).
     
        (2003-06-02)