JITTERS

noun

1. A nervous action; a tic.
2. (chiefly in the plural, often with "the") A state of nervousness.
3. An abrupt and unwanted variation of one or more signal characteristics.

verb

1. To be nervous.
2. (data visualization) To randomly position of data points to avoid visual overlap.

noun

1. A program or routine that performs jitting; a just-in-time compiler.