jolt, joult

t. & i. [Probably an extension of jole or joll to knock the head.] A. Trans .: To shake with sharp, sudden jerks, as in a carriage along a rough road. B. In trans.: To move with sharp, sudden jerks; to shake, to move roughly. "A long train of wagons laden with the sick jolted over the rugged pavement." -Macaulay : Hist Eng ., ch. xiv.