No specific show, film or creator is documented as the source of this clip, so it lives the typical soundboard life: a short user-uploaded reaction that spread because the line fits everywhere. Thanks so much works as a sincere sign-off and as a sarcastic sting, which keeps it circulating in meme edits, gaming montages and short-form comedy. It sits naturally beside other reaction staples like cheering clips and the classic oh my god, wow exclamation, and its clean two-second length makes it an easy drop-in.