who the fook is that guy

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About this sound

Conor McGregor's "who the fook is that guy" quote is a viral MMA reaction sound used in memes, roasts and clips calling out random people.

This clip features Conor McGregor delivering his instantly recognizable line, "who the fook is that guy," in his sharp Irish accent. The sound lands with a mix of confusion, disrespect and comic swagger, which is why it works so well as a reaction. Creators use it when an unknown person suddenly appears, when someone acts important out of nowhere, or when a video needs a blunt dismissive punchline. It has a confrontational tone, but the exaggerated delivery makes it feel playful and meme-friendly rather than purely aggressive.

This quote comes from MMA star Conor McGregor and became a widely shared reaction clip through fight-media reposts, meme pages and short-form edits. Fans repeat it as one of his most memorable soundbites because the phrasing and delivery are instantly recognizable, even out of context. It remains popular in sports banter, callout jokes and reaction videos where someone unknown, irrelevant or suddenly important appears on screen. Online, it often fills the same reaction role as a blunt "You What?" moment, but with a more mocking tone.

Frequently Asked Questions

What is the "who the fook is that guy" sound?

It is a viral reaction clip of Conor McGregor saying the line in his Irish accent. People use it in memes and edits to dismiss, mock or question someone who suddenly appears or acts important.

Who says "who the fook is that guy"?

The line is said by Conor McGregor, the Irish MMA fighter. His delivery made the quote especially memorable, turning it into a widely reused soundbite far beyond fight clips.

Why is this sound so popular in memes?

It is short, instantly recognizable and loaded with attitude, so it works well as a punchline. Editors use it when a clip introduces a random person, an unwanted opinion, or a dramatic reveal that deserves a sarcastic reaction.