This phrase used on 4chan to disrupt the popular pastime known as a Combo originally appeared in the 1994 arcade fighting game Killer Instinct.

Urban Legends: This ominous Internet entity is believe to cause insanity, death and destruction of the entire world.

H̹̮̭̦̠͖̜̘̝ͣ͌͐́̚͞E̴͕̔͒́̂̉́̄͘͘ ̗͖̘̠̌̅͗Ç̶͙̮͚̰̩ͨͯ͋̊̐̽̅͝Ơ̎̑͒̑͒ͨ̀҉̩͚̱̤͍͚̙̥̝M͔͚͙̋̇̄͋̌E͔͈̠͆͗̿͜S̟̖̲̲͉̞͉̓̽̚͠͠

Long before bawww threads, the onomatopoeia for the sound of crying first appeared in a 1947 comic book.

If you don't know what this means, you're it.

Urban Legends: This creepypasta story featuring a vicious humanoid creature began circulating on the web in 2006.