スノーノイズ

noun

video noise; snow

Refers to the random static or 'snow' seen on a video screen when there is no signal or poor reception. A wasei-eigo term derived from English 'snow noise'.

wasei-eigo (Japanese-coined English), from snow noise

• 古ふるいテレビをつけると、スノーノイズが画が面めんいっぱいに広ひろがった。

  When I turned on the old TV, snow noise filled the screen.