The exact origin of this clip is not widely documented, so it circulates mainly as a standalone reaction sound shared between creators. Its spread comes from how versatile the phrase is online, where good boy is used jokingly toward pets, friends and partners. Short spoken protests like this travel well on short form video because they are instantly quotable and easy to lip sync or overlay. It remains in use as a quick way to signal embarrassed annoyance without needing a longer explanation or a reference to a specific show or film.