Youtube Suicide
It means making a fool out of yourself or doing something terrible on the internet on your own intensions so that people will hate you forever.
Posting a video of you cursing at everyone (including the viewer) while showing you're face. Or in simple words, you want to be hated forever? well you post a video of yourself cursing at everyone or picking a fight whit a random stranger & then showing your face while you saiying you feel accomplished, while everyone will remember your face & will hate you forever. That is an example of " Youtube Suicide ".