Online, this line circulates mainly as a short meme sound rather than as a clip tied to a widely known scene, and its appeal comes from how instantly recognisable the situation is. A pregnancy announcement is normally a major moment, so hearing it delivered in under a second, with no context at all, turns something serious into a quick joke. Creators reuse it because it needs no setup: the listener understands the twist immediately, and the clip can be dropped into almost any edit where a sudden, life-changing announcement would feel absurd.