D7 showed up as a minimal upload: just a two-character label, no artist credit, no description, and no tags to explain it. Clips like this often come from a creator's drafts folder or a fragment saved from a longer recording, then get passed around so other people can help identify them or find a use for them. With only a few dozen plays so far, its meaning is still up for grabs, decided by whoever picks it up first, which is exactly how many lasting meme sounds get their start.