The phrase itself is everyday German, with ja meaning yes, nein meaning no, and halt meaning stop or hold on, so the humour comes from hearing all three attitudes at once. As a soundboard clip it circulates as a tiny reaction sound rather than a line from a known film, show, or song, and its exact original recording is not widely documented. That ambiguity has not slowed it down: creators keep using it because the contradiction is instantly recognisable, language barriers aside, and because its sub-second length makes it easy to drop into edits, streams, and chats.