A new McDonald’s drink hack is going viral — thanks to David Dobrik

A new McDonald’s TikTok hack has customers stacking up their drink cups. The reason? Apparently, the restaurant’s cups are made to fit on top of one another. That’s the claim behind a now-viral TikTok, posted by YouTube star David Dobrik. As the YouTuber explains, the chain’s McFlurry dessert cups are supposedly designed to fit perfectly on top of a standard drink cup. “Apparently, it’s supposed to hold your McFlurry,” Dobrik says before he successfully attaches the two cups. The YouTuber proceeds to tilt his drink cup sideways, showing how it holds the McFlurry cup in place. Many TikTokers were equally excited