Blip

Etymology
Onomatopoeic.

Noun

 * 1) A small dot registered on electronic equipment, such as a radar or oscilloscope screen.
 * 2)  A brief aberration or deviation from what is expected or normal.

Verb

 * 1)  To skip over or ignore (with out).
 * 2)  To change state abruptly, such as between off and on or dark and light, sometimes implying motion.