Main Entry: ¹jerk

Pronunciation: \ˈjərk\

Function: noun

Etymology: probably alteration of yerk

Date: 1575

1 : a single quick motion of short duration
2 a : jolting, bouncing, or thrusting motions b : a tendency to produce spasmodic motions
3 a : an involuntary spasmodic muscular movement due to reflex action b plural : involuntary twitchings due to nervous excitement
4 a : an annoyingly stupid or foolish person b : an unlikable person; especially : one who is cruel, rude, or small-minded
5 : the pushing of a weight from shoulder height to a position overhead in weight lifting