This is a #SelloTapeSelfie, and it's exactly what it looks like.
Step 1: You get some tape — Sellotape, which is a British type of cellophane tape, if you're a purist.
Step 2: Wrap the tape around your head.
Step 3: Think about the choices you've made in your life.
Some people have started using the trending hashtag for more noble pursuits.
This woman used Scotch tape, which seems like cheating if you ask me.
This guy got really into it.
So now you know, #SelloTapeSelfies, hot new meme and perfect activity for friends.
Just know that it's probably a lot more fun to put on than it is to cut off later.