Twitch may refer to: Biology Muscle contraction Convulsion, rapid and repeated muscle contraction and relaxation Fasciculation, a small, local, involuntary muscle contraction Myoclonic twitch, a jerk usually caused by sudden muscle contractions Myokymia, a continuous, involuntary muscle twitch that affects the muscles of the face Spasm, a sudden, involuntary contraction Tic, an involuntary, repetitive, nonrhythmic action Tremor, an involuntary, repetitive, somewhat rhythmic action Twitching motility, a form of crawling some bacteria use to move over surfaces Entertainment Twitch (service), an Amazon subsidiary live streaming video website Twitch (film), a 2005 short directed by Leah Meyerhoff Screen Anarchy, formerly Twitch Film or Twitch, a film news and review website Maximilian "Twitch" Williams, a character in the comic series Sam and Twitch "Twitch", a fictional character from the book How to Eat Fried Worms and its 2006 film adaptation Twitch gameplay, a computer or video game that challenges the player's reaction time Music Twitch (Ministry album), 1986 Twitch (Aldo Nova album), 1985, or the title track Twitch (EP), by Jebediah, 1996 "Twitch", a 2001 song by Christina Milian from her self-titled album People Stephen "tWitch" Boss (1982–2022), American freestyle hip-hop dancer, entertainer and actor Jeremy Stenberg (born 1981), American motocross rider Other uses Twitch (device), used to restrain horses Twitch grass Twitch, in birdwatching, to pursue and observe a rare bird See also Twitches (disambiguation) Nintendo Switch