From Ice Buckets To Actual Fire: The Craziest Internet Challenges Gone Viral
https://twitter.com/tinyandmia/status/618625081430941696
Belly Button Challenge
A supposed fitness test (really?), with the belly button challenge you put an arm behind your back and try to reach it around to your belly button. If you can manage to successfully complete the challenge, you’re supposedly just the right size (i.e., “skinny” or “fit”). This body shaming challenge gets a major side-eye.