1. (noun) jerk, dork
a dull stupid fatuous person
2. (noun) jerk, jerking, jolt, saccade
an abrupt spasmodic movement
3. (noun) jerk
(mechanics) the rate of change of acceleration
4. (noun) jerky, jerked meat, jerk
meat (especially beef) cut in strips and dried in the sun
5. (noun) jerk
raising a weight from shoulder height to above the head by straightening the arms
6. (verb) tug, jerk
a sudden abrupt pull
7. (verb) yank, jerk
pull, or move with a sudden movement
"He turned the handle and jerked the door open"
8. (verb) jerk, twitch
move with abrupt, seemingly uncontrolled motions
"The patient's legs were jerkings"
9. (verb) twitch, jerk
make an uncontrolled, short, jerky motion
"his face is twitching"
10. (verb) buck, jerk, hitch
jump vertically, with legs stiff and back arched
"the yung filly bucked"
11. (verb) jerk, flick
throw or toss with a quick motion
"flick a piece of paper across the table"; "jerk his head"
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Definition of 'jerk' 
