The exact origin of this recording is not clearly documented, so it circulates online mainly as a standalone meme voice clip shared on soundboards and in short video edits. Its humour relies on a familiar internet pattern, answering a straight setup with an unexpectedly crude self own, similar in spirit to a bruh reaction. Users repost it because the wording is instantly quotable and the flat delivery works even without any visual context. It has stayed in use as a quick reaction line rather than a reference to a specific film or show.
About this sound
Voice clip of a man deadpanning 'that would be my big fat ass' as a self-deprecating punchline, used in memes for awkward introductions and roasts.
A short male voice line delivered completely deadpan, where the speaker answers a question about something large or noticeable by claiming it is his big fat ass. The delivery is flat and matter of fact, with no laughter in the voice itself, which makes the crude punchline land harder. The clip lasts just over two seconds, so the joke arrives instantly and cuts off before it can drag. Listeners hear it as a self roast as much as a gag, a confident admission that turns embarrassment into the whole point of the scene.