The origin
McDonald's sold a berry milkshake for Grimace's 52nd birthday. Users filmed themselves toasting it and cut immediately to themselves lying in staged carnage, the shake spilled beside them.
How it spread
The format ran for the length of the promotion and turned a marketing item into a horror short with a fixed structure.
What it means
A brand handed the internet a prop and got a genre back.
Follow the source
Short editorial summary written by Random Access Memes from the sources above; the wording is ours, not theirs. Every link was checked for a live response on September 13, 2026.
