If you were a kid getting New York City TV in the early 80s you'll understand
Video chat with a friend who's playing his pinball game at home, and I want to say "PIX PIX PIX PIX PIX" to tell him when to flip.
...
You're welcome ONE PERSON ANYWHERE IN THE FEDIVERSE who knows what I'm on about.
(In non-New York TV markets apparently you'd say 'POW' or 'TV POW' but I never saw that, myself.)
re: If you were a kid getting New York City TV in the early 80s you'll understand
@Austin_Dern Surprising number of Internet resources on it, too!