noun

1. A sudden, often uncontrolled movement, especially of the body.

2. A quick, often unpleasant tug or shake.

   “When I yell "OK," give the mooring line a good jerk!”

3. A dull or stupid person.

Synonyms: jolt, lurch, surge, yank, numbskull, jolt, jump, lurch

verb

1. To make a sudden uncontrolled movement.

2. To give a quick, often unpleasant tug or shake.

3. To masturbate.