Google's audio search tells me that it's a stock sound effect: https://music.youtube.com/watch?v=2wLKlWPkcOM&si=Sle4B04wAoVQ6iZJ https://music.youtube.com/watch

Google's audio search tells me that it's a stock sound effect: https://music.youtube.com/watch?v=2wLKlWPkcOM&si=Sle4B04wAoVQ6iZJ https://music.youtube.com/watch?v=2wLKlWPkcOM&si=Sle4B04wAoV... https://secure.dewolfemusic.com/page/digiffects_sound_effects_library#:~:text=Digiffects%20Sound%20Effects%20Library%20provides,24%2C000%20royalty%20free%20sound%20effects https://secure.dewolfemusic.com/page/digiffects_sound_effect.... It appears to be used or sampled in a couple of songs (by Anna Maria Jopek and Boozehounds), but these date in the 2000s so can't have come into the camel from then I suppose!