A sudden, nonrhythmic motor movement or vocalization.
ticket
Something that is done or produced habitually or characteristically.
To exhibit a tic; to undergo a sudden, semi-voluntary muscle movement.
A rhythmic, uncontrollable shaking of all or part of the body due to partial muscle contractions.
An earthquake.
A shake, quiver, or vibration.
To shake or quiver excessively and rapidly or involuntarily; to tremble.