Definitions
1.verbTo make a sudden uncontrolled movement.
2.verbTo give a quick, often unpleasant tug or shake.
3.verbTo masturbate.
4.verbTo beat, to hit.
5.verbTo throw with a quick and suddenly arrested motion of the hand."to jerk a stone"
6.verb(usually transitive) To lift using a jerk.
7.verbTo flout with contempt.
8.verbTo cure (meat) by cutting it into strips and drying it, originally in the sun.
9.nounA motion that jerks; a jerk.