jerk

a dull stupid fatuous person

an abrupt spasmodic movement

(mechanics) the rate of change of acceleration

meat (especially beef) cut in strips and dried in the sun

raising a weight from shoulder height to above the head by straightening the arms

a sudden abrupt pull

pull, or move with a sudden movement; "He turned the handle and jerked the door open"

move with abrupt, seemingly uncontrolled motions; "The patient's legs were jerkings"

make an uncontrolled, short, jerky motion; "his face is twitching"

jump vertically, with legs stiff and back arched; "the yung filly bucked"

throw or toss with a quick motion; "flick a piece of paper across the table"; "jerk his head"