The Wilhelm Scream is a stock sound effect first used in the 1951 “Distant Drums.” Wikipedia calls it the “most well known cinematic sound cliches.” It was revived for the Star Wars and Indiana Jones series.
Here’s a video collage of some classic movies using the Whilhelm scream. To download the scream click here. Let me know if you use it in a short amateur video. Let’s bring it to viral videos, eh?