blipvert
A subliminal or nearly subliminal advertisement displayed for a very short time.
The blipvert condenses 30 seconds of advertising to 3 seconds in order to prevent viewers from switching channels during an advertisement.
Where it comes from
Blend of blip + advert; coined in the film Max Headroom: 20 Minutes into the Future (1985), in which they caused the nervous systems of certain viewers to overload.
Adapted from the Wiktionary entry blipvert (CC BY-SA 4.0).