jerk
/d͡ʒɜːk/
A sudden, often uncontrolled movement, especially of the body.
A quick, often unpleasant tug or shake.
When I yell "OK," give the mooring line a good jerk!
A dull or stupid person.
A person with unlikable or obnoxious qualities and behavior, typically mean, self-centered or disagreeable.
I finally fired him, because he was being a real jerk to his customers, even to some of the staff.
The rate of change in acceleration with respect to time.
A soda jerk.
A lift in which the weight is taken with a quick motion from shoulder height to a position above the head with arms fully extended and held there for a brief time.