TikTok Trend Transforms McDonald's New Grimace Shake Into Viral Horror Sensation

TikTok users are posting satirical horror videos featuring McDonald's new Grimace Shake.
The videos typically show people pretending to suffer gruesome fates after drinking the purple shake.
The trend has inspired fan art and McDonald's has acknowledged it on social media.
The videos have garnered millions of views, bringing attention to McDonald's latest offering.
McDonald's has been using limited availability and collaborations to build cultural credibility and capitalize on virality.