Third-person singular simple present indicative form of twitch.(verb)
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Use "twitches" in a sentence
"While Depp's Mort is all about nervous energy expressed in twitches and constant activity, Turturro's Shooter almost always stands still."
"This style of plug is usually fished in twitches, which cause the plug to dive, wiggle, and then float gently back to the surface."
"He is thin and weak, with a mangy-looking little beard, speaks with a hissing sound, and after every word twitches the right side of his face and jerkily shrugs his right shoulder."