Heopop's Slime Challenge
Original Korean title
허팝 액체괴물(슬라임) 챌린지
Heopop's Slime Challenge refers to the 2015 boom in making and playing with slime that spread to Korea via YouTube.
Originated around 2015Last updated: August 4, 2026
What does it mean?
A slime craze that began abroad around 2015 landed in Korea through YouTube, and experiment/kids-content creators including Heopop became hugely popular among young viewers by posting videos of them making slime in various colors and textures. Heopop signed with CJ's MCN DIA TV in April 2015 and became one of the leading creators of this trend.
Where did it start?
A slime trend that started abroad in 2015 spread to Korea via YouTube.
How is it used?
Cited as an example of a trend in kids/experiment content.
Ratings by context haven't been confirmed yet.
What should I be careful about?
Some slime ingredients were involved in controversy over harmful substances, so keep this in mind when referencing safety.