It does do a good rumble during the expulsion cycle
( Yo 'Ho of Charles Dance mass-market saucetrepreneur, Mon 11 Jun 2012, 19:30, archived)

( discomeats Meh., Mon 11 Jun 2012, 19:31, archived)

Pfft
( Mu Dinofiddler, Mon 11 Jun 2012, 19:33, archived)