Толковый словарь английского языка - jerk

I. noun Etymology: probably alteration of yerk Date: 1575 a single quick motion of short duration, 2. jolting, bouncing, or thrusting motions, a tendency to produce spasmodic motions, 3. an involuntary spasmodic muscular movement due to reflex action, involuntary twitchings due to nervous excitement, 4. an annoyingly stupid or foolish person, an unlikable person, the pushing of a weight from shoulder height to a position overhead in weight lifting, II. verb Date: 1589 transitive verb to give a quick suddenly arrested push, pull, or twist to, to propel or move with or as if with a quick suddenly arrested motion, to mix and serve (as sodas) behind a soda fountain, intransitive verb to make a sudden spasmodic motion, to move in short abrupt motions or with frequent jolts, ~er noun III. transitive verb Etymology: back-formation from 1~y Date: 1707 to preserve (meat) in long sun-dried slices