The Underboob Pen Challenge is a trend that started in China in late January 2016. It has since then reached all corners of the Internet all around the world. The objective of the challenge is for a female to place a pen, or a similar object under her unsupported breast. It's supposed to prove weather that female is a 'real' woman or not.

When you eat dirt for the first time and leave your family to build a shack in the woods