noun 1.jitters, nervousness; a feeling of fright or uneasiness (usually preceded by the ): Every time I have to make a speech, I get the jitters.
2.fluctuations in the
image on a television screen or in copy received by facsimile transmission, caused by interference or by momentary failures of synchronization.
verb (used without object)
Origin: 1920–25; variant of
chitter to shiver (
Middle English chiteren), gradational variant of
chatter