Whiplash

['wɪplæʃ] or ['wɪp'læʃ]

(noun.) an injury to the neck (the cervical vertebrae) resulting from rapid acceleration or deceleration (as in an automobile accident).

Typist: Stanley--From WordNet

(n.) The lash of a whip, -- usually made of thongs of leather, or of cords, braided or twisted.

Checker: Pamela