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About this sound

✦ AI

A Brazilian reaction sound of someone saying aff, que mentira in a sarcastic, disbelieving tone, used to call out an obvious lie in memes and short videos.

This short clip captures a dismissive, exasperated Brazilian Portuguese reaction, delivered as a drawn-out sigh followed by the phrase aff, que mentira. The voice sounds sceptical and amused rather than angry, as if the speaker has just heard something too absurd to take seriously. That mix of disbelief and humour makes the moment land instantly, even for viewers who do not speak Portuguese, because the tone alone signals that a claim should not be believed. It works best as a quick punchline after a boast, a fake story or an unbelievable excuse, cutting the tension with a knowing, eye-roll reaction.

Aff is a common Brazilian Portuguese interjection for annoyance or disbelief, and que mentira literally means what a lie, so the phrase is widely recognised across Brazilian social media even outside any single video. Short reaction audios like this one circulate through messaging groups, short-video edits and meme pages, where they are reused whenever someone wants to dismiss a claim without a long argument. Its lasting appeal comes from that directness: one sceptical line instantly frames the previous statement as false, making it easy to reuse in new contexts and languages.

Pro Tip for Usage

✦ AI

Drop it right after the lie is spoken, not before, and let the sigh breathe for a beat before cutting to the reaction face. Pair it with a zoom or a sceptical caption, but avoid stacking it over loud music, which buries the sarcastic delivery.

Use Cases

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  • Calling out a friend's exaggerated story in a meme edit.
  • Reacting to an unbelievable excuse in a comedy skit.
  • Captioning a fake news claim shared in a group chat.
  • Punching up a reaction video after a surprising plot twist.

Frequently Asked Questions

✦ AI
What does aff que mentira mean?
Aff is a Brazilian Portuguese expression of annoyance or disbelief, and que mentira means what a lie. Together, the phrase is used to say that something just heard sounds false or exaggerated, usually in a sarcastic, dismissive tone.
Where is aff que mentira used?
It is commonly used in Brazilian meme edits, reaction videos and messaging chats to respond to a boast, fake story or unbelievable excuse. Because the tone is so clear, creators also use it as a quick punchline even when their audience does not speak Portuguese.
How can I use this sound in an edit?
Place it immediately after the questionable claim, then cut to a reaction shot or add a caption that repeats the doubt. Keep the clip clear and unlayered so the sigh and sarcastic delivery stay audible, and avoid using it repeatedly in the same video.

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