Mentos + Yakult is a screamer video uploaded to YouTube by Lincoln Lin Junhong (linboyz94). As of 2017, copies of this video has accumulated over 7.5 million views. The earliest known copy of this video was uploaded in 2011.
The video starts by showing a pack of Mentos and a bottle of Yakult. Then, the person opens the bottle and the pack and drops the Mentos inside the bottle of Yakult. About five seconds later,
an explosion larger than using Diet Coke happens a close-up of Regan MacNeil from The Exorcist pops up with a loud scream.
NOTE: The following video contains a screamer!