An aimless attempt at ending ones life, perhaps more often percieved to be a method of attention seeking rather that a serious attempt on ones life.
Jack you wanker stop attention seeking and maybe wash your greasy hair in the sink instead of aimlessly trying to end your God forsaken son of a rapist life
A retarded trend mostly done by emo's that involves the person taking a picture of themselves as a meaningless martyrdom attention seeking act before they kill themselves and then they get their idiot friends to post it on internet websites like 4chan.com.
John got out his smartphone and took a gun to his while taking a picture of himself before he did the selfie suicide and then had his friend Jane post it on 4chan.com.
Some dude that goes around throwing their backpack at random people and running away. These people will often go around wearing turbans and middle eastern clothing so they look like a terrorist. they often will shout allah u akbar incorrectly and post there prank on youtube this has become a trend called the terrorist bombing prank and you can see this crap on youtube.
A manner of offing one's self involving vomiting until one dies from it. Usually committed as a result of seeing somethinghorrible or banging someone exceedingly unattractive.
"Man, I can't believe you hooked up with Shelly. That bitch is huge!"
"Yeah, I almost had to commit vomit-suicide the next day."