This clip is best understood as a stock-style gross sound effect rather than a quote from a specific character or scene. Online, sounds like this spread through meme edits, reaction compilations and prank videos because they communicate disgust in less than four seconds. It stays popular because the joke is immediate and universal: viewers instantly understand the reaction. It often appears alongside other disgust cues or exaggerated responses such as eww brother eww when creators want a stronger, more ridiculous payoff.