1. (v. t. & i.) To jolt; to shake, especially by rough riding or by driving over obstructions.

2. (n.) A jolt; a shake; a hard trot.

bob bobble bounce bump chatter collision concussion didder falter have an ague hustle impingement jactitate jar jog joggle jolt jostle jump percussion quake quaver quiver shake shiver shock shudder tremble twitter vibrate wallop wobble