yerk

verb (used with object)

1. to strike or whip.
2. to stir up; arouse; excite.
3. to jerk.
4. to move (a part of one’s body) with a jerk.
5. to pull (stitches) tight or bind tightly.

verb (used without object)

6. to kick.
7. to rise suddenly.
8. to enter into something eagerly.

noun

9. a kick or jerk.
10. a thud or blow, as from a stick.