Little is documented about the original recording behind this clip, which is credited online simply as Pedrin, so its history is mostly in how it circulated as a soundboard and meme reaction. Short spoken word clips like this spread because one emphatic delivery can stand in for a whole reaction, and this one became shorthand for calling out strange animal behaviour. It is often grouped with other animal reaction sounds such as what da dog doin, and remains used in short edits where the joke needs an instant, recognisable label rather than an explanation.
關於此聲音
Zoofilia is a short voice clip of a man saying the word with emphasis, used as a shocked reaction and meme sound effect in funny edits and chats.
This is a brief voice clip built around a single spoken word delivered with exaggerated emphasis. The recording is clean and close, with the voice landing hard on the syllables and then stopping abruptly, which makes the moment feel like an accusation, a confession, and a punchline at the same time. There is no music or background build up behind it, so the word itself carries all the comedy. Viewers hear it as an instant reaction to something weird involving an animal, and the deadpan shock is what makes it reusable far beyond its original context.