noun

1. JERK, a sudden abrupt pull
2. JERK, an abrupt spasmodic movement
3. JERK, raising a weight from shoulder height to above the head by straightening the arms
4. JERK, meat (especially beef) cut in strips and dried in the sun
5. JERK, a dull stupid fatuous person
6. JERK, (mechanics) the rate of change of acceleration
7. JERK, a stupid person or a person who is not well-liked or who treats other people badly
8. JERK, a quick pull or twist
9. JERK, a sudden sharp movement

verb

1. JERK, make an uncontrolled, short, jerky motion
2. JERK, throw or toss with a quick motion
3. JERK, pull, or move with a sudden movement
4. JERK, jump vertically, with legs stiff and back arched
5. JERK, move with abrupt, seemingly uncontrolled motions

1. That jerk can't do anything right.
2. Most of the kids are nice, but some are jerks.
3. The dead branch came loose after a few jerks.