The side eye became a staple of short-form video because the glance itself needs no explanation, and creators quickly turned that reaction into a reusable audio cue for TikTok, Reels, and Shorts. It spread through reaction edits, skits, and storytimes where a single look says more than a caption, often paired with text on screen explaining what just happened. Because it works without dialogue and fits almost any awkward or shady moment, it has stayed popular as a quick punchline for everyday situations rather than fading with one specific trend.