jerk

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Related to jerk around: out of commission

jerk

[jərk]
(mechanics)
The rate of change of acceleration; it is the third derivative of position with respect to time.
A unit of rate of change of acceleration, equal to 1 foot (30.48 centimeters) per second squared per second.
References in periodicals archive ?
Talking about the reunion, she admitted: "I want to recapture my youth, jerk around in front of thousands of people and make lots and lots of money.
Jubilant lead singer Debbie Harry celebrated by announcing: "I want to recapture my youth, jerk around in front of thousands of people and make lots and lots of money.