Kids online are bringing back the "Condom Snorting Challenge". That's where you take a condom, and snort it up a nostril until you can reach into the back of your throat and pull it out.
I shouldn't have to say this, but... It's a choking hazard. Don't do it, idiots.
From FOXNews.com - Teens snort condoms then pull them through mouths in disturbing new trend