The exact recording source for this clip is not documented, so it circulates mainly as a standalone reaction sound shared between soundboards and short video edits. Its popularity comes from the wording itself, which turns a blunt denial into a self-contradicting joke that viewers understand without context. Creators reuse it for Pride jokes, friendship teasing and sus moment compilations, where the short length makes it easy to layer over a pause or reaction shot. Because it needs no setup or explanation, it remains a handy punchline for new edits.
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A short voice clip of a man shouting I'm straight, not yesterday, used as a funny reaction sound effect for sus jokes, memes and video edits online.
This is a brief, emphatic voice clip built around the punchline I'm straight, with the added twist not yesterday making the denial funnier and more absurd. The speaker delivers the line in a loud, defensive tone that sounds like an over-the-top protest, which is exactly why it lands as comedy rather than a serious statement. At under two seconds it hits instantly, leaves no setup, and works as a reaction to an awkward comment, a teasing accusation or a moment that looks suspicious. The contrast between the confident claim and the qualifier creates the joke.
