German | Schnürlesregen (Swabian) Germany

es regnet Bindfäden

Expression USED On Occasion BY Most People

(it's raining strings) • Used to refer to constant pouring rain, so strong that you can't see separate droplets anymore.

"Nimm einen Schirm mit, es regnet heute Bindfäden."

"Take an umbrella with you, it's raining strings today."