Car bumpers that activate pre-recorded exclamations of pain and indignation when struck with sufficient force.-- xenzag, Jul 24 2007 ... and proclaim "Whiplash Lawsuit!"-- Jinbish, Jul 24 2007 "Doh!" dough [+]-- marklar, Jul 24 2007 I would have thought that the "thwack" of the bumper would override any audible exclamations of pain. Besides, you'd be yelling/bellowing and steaming from your lugholes.(Could make an addition to bumper cars though)-- skinflaps, Jul 24 2007 Make the sound proportional to the severtity of impact, varying from "oops" to the sound of a piano falling on Wiley E. Coyote.-- nuclear hobo, Jul 24 2007 There's a thought.Strap upright pianos to the front and back bumpers.-- skinflaps, Jul 24 2007 random, halfbakery