Facejacking - Going through a friend's friend list and stealing all their

Going through a friend's friend list and stealing all their friends like a thief in the night

I stole 200 friends from my best friend. Now he has 5 friends and I have 1000.

My sister took 300 friends from my brother and now he has no life.

I took all my friend's friends and now I'm the most popular person in school.