jerk

(noun) a dull stupid fatuous person. Synonyms: dork.

(noun) an abrupt spasmodic movement. Synonyms: jerking, jolt, saccade.

(noun) (mechanics) the rate of change of acceleration.

(noun) meat (especially beef) cut in strips and dried in the sun. Synonyms: jerky, jerked meat.

(noun) raising a weight from shoulder height to above the head by straightening the arms.

(noun) a sudden abrupt pull. Synonyms: tug.

(verb) pull, or move with a sudden movement. Synonyms: yank. Example: "He turned the handle and jerked the door open."

(verb) move with abrupt, seemingly uncontrolled motions. Synonyms: twitch. Example: "The patient's legs were jerkings."

(verb) make an uncontrolled, short, jerky motion. Synonyms: twitch. Example: "His face is twitching."

(verb) jump vertically, with legs stiff and back arched. Synonyms: buck, hitch. Example: "The yung filly bucked."

(verb) throw or toss with a quick motion. Synonyms: flick. Examples: "Flick a piece of paper across the table." "Jerk his head."