“Bombastic side eye” became a widely used social media reaction sound through short-form video edits, especially on TikTok and meme repost pages. The phrase spread because it turns a simple look of judgment into a very specific comedic cue for cringe, suspicion or disbelief. It is still popular in captioned reaction videos, duets and skits where creators need a fast, recognizable audio punchline. It often appears alongside other meme reactions such as bruh or goofy ahh sounds when editors want a layered internet-humor style.