Jerk
Part of speech: noun
Definition: A sudden, often uncontrolled movement, especially of the body. A quick, often unpleasant tug or shake. A person with unlikable or obnoxious qualities and behavior, typically mean, self-centered or disagreeable, and often not very intelligent. The rate of change in acceleration with respect to time. A rich, spicy Jamaican marinade Meat cured by jerking; charqui.
Part of speech: verb
Definition: To make a sudden uncontrolled movement. To give a quick, often unpleasant tug or shake. To masturbate. To beat, to hit. To throw. To cure (meat) by cutting it into strips and drying it, originally in the sun.
Example sentence: I've actually apologized to some people I was a real jerk to, because I feel ashamed. I didn't need to be that hungry. There was something going on inside me when I was angry and feeling very threatened and not feeling good about myself.
Twitch
Part of speech: noun
Definition: A brief, small (sometimes involuntary) movement out of place and then back again; a spasm.
Part of speech: verb
Definition: To perform a twitch; spasm.To jerk sharply and briefly.To spot or seek out a bird, especially a rare one.