Source : WordNet®

blip
     n 1: a sudden minor shock or meaningless interruption; "the
          market had one bad blip today"; "you can't react to the
          day-to-day blips"; "renewed jitters in the wake of a
          blip in retail sales"
     2: a radar echo displayed so as to show the position of a
        reflecting surface [syn: {pip}, {radar target}]
     [also: {blipping}, {blipped}]