to twitch is a form of:

Twitch



verbpast tense: twitched ; past participle: twitched ; present participle: twitching ;
1.
(INTRANSITIVE) (to pull (at) with a quick slight jerk, to jerk, to jerk pull at suddenly, to contract with sudden spasm, as a muscle) ញាក់ៗ, កន្ដ្រាក់ៗ (សាច់ដុំ)
2.
(TRANSITIVE) (To draw, pull, or move suddenly and sharply; jerk: I twitched my fishing line) ធ្វើអោយញាក់ៗកន្ដ្រាក់ៗ
3.
(វេជ្ជសាស្ត្រ) ញាក់
ENGLISH MEANING
noun
1.
The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve.
2.
A short, spastic contraction of the fibers or muscles; a simple muscular contraction; as, convulsive twitches; a twitch in the side.
3.
A stick with a hole in one end through which passes a loop, which can be drawn tightly over the upper lip or an ear of a horse. By twisting the stick the compression is made sufficiently painful to keep the animal quiet during a slight surgical operation.
verbpast tense: twitched ; past participle: twitched ; present participle: twitching ;
1.
(TRANSITIVE) To pull with a sudden jerk; to pluck with a short, quick motion; to snatch; as, to twitch one by the sleeve; to twitch a thing out of another's hand; to twitch off clusters of grapes.