Yerk

Definition:

(v. t.) To throw or thrust with a sudden, smart movement; to kick or strike suddenly; to jerk.
(v. t.) To strike or lash with a whip.
(v. i.) To throw out the heels; to kick; to jerk.
(v. i.) To move a quick, jerking motion.
(n.) A sudden or quick thrust or motion; a jerk.

Compare yerk with other words: