"jerking" in the noun sense
1. jerk, jerking, jolt, saccade
an abrupt spasmodic movement
"jerking" in the verb sense
1. yank, jerk
pull, or move with a sudden movement
"He turned the handle and jerked the door open"
2. jerk, twitch
move with abrupt, seemingly uncontrolled motions
"The patient's legs were jerkings"
3. twitch, jerk
make an uncontrolled, short, jerky motion
"his face is twitching"
4. buck, jerk, hitch
jump vertically, with legs stiff and back arched
"the yung filly bucked"
5. jerk, flick
throw or toss with a quick motion
"flick a piece of paper across the table"
"jerk his head"
"jerking" in the adjective sense
1. arrhythmic, jerking, jerky
lacking a steady rhythm
"an arrhythmic heartbeat"
Source: WordNet® (An amazing lexical database of English)
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