faceabotage
When someone takes over your Facebook and makes it look like a mess. It’s usually done by people who are angry or just trying to be funny.
Your friend turned your profile picture into a meme about your mom and won’t let you change it back.
Your roommate posted 'I am your Facebook' 50 times and won't stop.
Your friend added 200 fake friends and sent you 100 messages about your ex.