A short, sudden pull, thrust, push, twitch, jolt, shake, or similar motion.
A sudden start or spring.
A foolish, stupid, or otherwise contemptible person.
(Sport) The lifting of a weight, in a single rapid motion, from shoulder height until the arms are outstretched above the head; distinguished from press in that the motion in a jerk is more rapid, and the body may be moved under the weight to assist completion of the movement; as, a clean and jerk of two hundred pounds.
Calisthenic exercises, such as push-ups or deep knee bends; also called physical jerks.
