vt to strike or lash with a whip.
2. yerk ·vi to move a quick, jerking motion.
3. yerk ·noun a sudden or quick thrust or motion; a jerk.
4. yerk ·vi to throw out the heels; to kick; to jerk.
5. yerk ·vt to throw or thrust with a sudden, smart movement; to kick or strike suddenly; to jerk.