Synonym: jolt. Similar words: knee-jerk, clerk, jersey. Meaning: [dʒɜrk /dʒɜːk] 
n. 1. a dull stupid fatuous person 2. an abrupt spasmodic movement 3. (mechanics) the rate of change of acceleration 4. meat (especially beef) cut in strips and dried in the sun 5. raising a weight from shoulder height to above the head by straightening the arms 6. a sudden abrupt pull. v. 1. pull, or move with a sudden movement 2. move with abrupt, seemingly uncontrolled motions 3. make an uncontrolled, short, jerky motion 4. jump vertically, with legs stiff and back arched 5. throw or toss with a quick motion.
n. 1. a dull stupid fatuous person 2. an abrupt spasmodic movement 3. (mechanics) the rate of change of acceleration 4. meat (especially beef) cut in strips and dried in the sun 5. raising a weight from shoulder height to above the head by straightening the arms 6. a sudden abrupt pull. v. 1. pull, or move with a sudden movement 2. move with abrupt, seemingly uncontrolled motions 3. make an uncontrolled, short, jerky motion 4. jump vertically, with legs stiff and back arched 5. throw or toss with a quick motion. 
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121 Conclusion The jerk force of drop jerk is smaller than the others, but its stability is very bad in drop under the barbell and uprise phases.
122 I felt as if the bottom had dropped out of things with a jerk.
123 Anyone who has been vegan for more than a minute has probably encountered some jerk attempting to punch a hole in your argument for veganism with gems like "Don't you care about plants?
124 All you gotta do is act like a jerk, girls eat that crap up like strawberry cheese cake. Like this hottie tottie over here. Watch and learn!
125 Prevent yourself from having any knee jerk reactions to anyone or any situation in your life, as this influence is going to create some kind of hostility.
126 He pushed back his chair, straddled his knees with a downward jerk, to get them free, in horsy fashion, and went to the fire.
127 Because we cannot or do not know how to trust in ourselves, we constantly live in a state of fear and worry (which is part of the reason we have knee jerk reactions).
128 And the issue that current almost all community puts in integral to be used up hard, of skyline bleachery roll out, also be one kind uses up integral, raise user vivid jerk and agglutinant kind.
129 I pulled the cord, and I felt a strong jerk.