Jolt

Webster's Dictionary of the English Language

·noun A sudden shock or jerk; a jolting motion, as in a carriage moving over rough ground.

II. Jolt ·vi To shake with short, abrupt risings and fallings, as a carriage moving on rough ground; as, the coach jolts.

III. Jolt ·vt To cause to shake with a sudden up and down motion, as in a carriage going over rough ground, or on a high-trotting horse; as, the horse jolts the rider; fast driving jolts the carriage and the passengers.