jerk jerk /ˈdʒɝːk/

noun

1. () [Informal] A dull stupid fatuous person  ( dork [Informal] , jerk [Informal] )
   a dull stupid fatuous person
   
2. () An abrupt spasmodic movement  ( saccade , jerk , jerking , jolt )
   an abrupt spasmodic movement
   
3. A sudden abrupt pull  ( jerk , tug )
   a sudden abrupt pull
   
4. Raising a weight from shoulder height to above the head by straightening the arms  ( jerk )
   raising a weight from shoulder height to above the head by straightening the arms
   
5. Meat (especially beef) cut in strips and dried in the sun  ( jerk , jerked meat , jerky )
   meat (especially beef) cut in strips and dried in the sun
   
   
6. (mechanics) the rate of change of acceleration  ( jerk )
   (mechanics) the rate of change of acceleration
   

verb

1. () Pull, or move with a sudden movement  ( hoick [Informal] , yank [Informal] , jerk )
   pull, or move with a sudden movement
    He turned the handle and jerked the door open
   He turned the handle and jerked the door open
   
2. () Move with abrupt, seemingly uncontrolled motions  ( twitch , jerk )
   move with abrupt, seemingly uncontrolled motions
    The patient's legs were jerkings
   The patient's legs were jerkings
   
3. () Make an uncontrolled, short, jerky motion  ( jerk , twitch )
   make an uncontrolled, short, jerky motion
    His face is twitching
   his face is twitching
   
4. Throw or toss with a quick motion  ( jerk , flick )
   throw or toss with a quick motion
    Flick a piece of paper across the table
   flick a piece of paper across the table
    Jerk his head
   jerk his head
   
5. Jump vertically, with legs stiff and back arched  ( buck , jerk , hitch )
   jump vertically, with legs stiff and back arched
    The yung filly bucked
   the yung filly bucked