That's not the vibe has spread as a short-form reaction phrase rather than a line tied to one clear scene, and this clip captures that everyday usage in a single dismissive sentence. On TikTok, Instagram Reels and short YouTube edits, it is commonly placed after a joke falls flat, a plan goes wrong, or someone's energy clashes with the room. Its appeal is its versatility: the same few words can reject a bad idea, mock an awkward choice, or end a bit without needing extra explanation, which is why editors keep returning to it for quick, relatable punchlines.