twitched

A brief, small (sometimes involuntary) movement out of place and then back again; a spasm.

(physiology) A brief, contractile response of a skeletal muscle elicited by a single maximal volley of impulses in the neurons supplying it.

(informal) Action of spotting or seeking out a bird, especially a rare one.

(birdwatching) A trip taken in order to observe a rare bird.

(farriery) 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 and twisted to keep the animal quiet during minor surgery.

(mining) The sudden narrowing almost to nothing of a vein of ore.

couch grass (Elymus repens; a species of grass, often considered as a weed)

A live streaming service that focuses on video game live streaming.

(intransitive) To perform a twitch; spasm.

(transitive) To cause to twitch; spasm.

(transitive) To jerk sharply and briefly.

(transitive) To spot or seek out a bird, especially a rare one.

(obsolete) To exert oneself.