The Collaborative International Dictionary of English v.0.48:

Jolty \Jolt"y\, a.
   That jolts; as, a jolty coach. [Colloq.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

jolty
    adj 1: causing or characterized by jolts and irregular
           movements; "a rough ride" [syn: rough, rocky,
           bumpy, jolty, jolting, jumpy] [ant: smooth]