We heard about the new viral trend called the "Underboob Pen Challenge." We like trying new things but mostly we just wanted to put stuff under our boobs. | By Zach Sang
![Are you a 'REAL woman'? Try the 'Under Boob Pen Challenge' craze to find out | World | News | Express.co.uk Are you a 'REAL woman'? Try the 'Under Boob Pen Challenge' craze to find out | World | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/78/590x/secondary/asd-443749.jpg?r=1686998680160)
Are you a 'REAL woman'? Try the 'Under Boob Pen Challenge' craze to find out | World | News | Express.co.uk
![X 上的GGSoundjack:「Uch fordere euch alle zur Underboob Pen Challenge auf! https://t.co/6hTXXNmFhn」 / X X 上的GGSoundjack:「Uch fordere euch alle zur Underboob Pen Challenge auf! https://t.co/6hTXXNmFhn」 / X](https://pbs.twimg.com/media/CZUN3e2WAAEvPkW.jpg)