jerkings

Noun

• an abrupt spasmodic movement
• plural of jerking

Verb

• pull, or move with a sudden movement
• move with abrupt, seemingly uncontrolled motions
  • "The patient's legs were jerkings"
• make an uncontrolled, short, jerky motion
• jump vertically, with legs stiff and back arched
• throw or toss with a quick motion

Synonyms

buck, flick, hitch, jerk, jerking, jolt, saccade, twitch, yank