Please don't list this on a work's page as a trope. Examples can go on the work's YMMV tab.
Nightmare Fuel: Looney Tunes
The Looney Tunes short "Now Hear This " is a No Dialogue Episode set in a surreal landscape that's apparently a minimalist version of London. It involves a British gentleman getting into all manner of at-times-creepy weirdness upon finding an apparently cursed ear trumpet. Strangely behaved shapes appear inexplicably, accompanied by discordant noises, and at one point the poor bloke is plunged into darkness while being menaced by dozens of mean, staring eyes and floating text reading "PUNK" and "WISE GUY". After abandoning the device in favor of his old one, we promptly find it was Satan's horn.