T͔̻̘̠̭͘o̳̥ ̀i̖̙̜̟̞nv͙͇̜͕͎̭͝ok͏͕e҉̺̫̰ ̧̘̝͉̳t͔̬͈̳͚h͕̻͎͇̠̞̫e̠͙͓̞̮͜ ͠ͅh͉̩̘̯̱iv̷̼̭̤̫̻͙̩e͠-̬̤m̖͉̝̪͔͠in͇̟̖̣͟d͖͘ ͈̼̱̰͎͚̙r͎̭͍͎̣͈e̠̱̼̫p̢r̟̤͚͙̭̱̟e̡̩̩͕̲s̡͉͍̘e̠̭̻̫̫͔n̷̺̯̳t̶̝͇̦̞̱i̸̹̖̬͕̲͚ͅn͙̯ͅg̷͚͍͉͎ ͉̹͔̫͎̩c̵̟̘͓̣̠h̻̮̤͚̙͍̲a̯͓͙̟̪o̝s̴͎̟̬.͓
̘̜Į͈n͖̳̕v̡͓̘͈o͙k̫̗̲̯i̡͚͎̲̝̦͉n͈̰g̱̜͉̯ ̘̻t̡̞͔̼ͅh̻̰̟̻e̠̮̟ ̘̤̘f̫̭̺̜e̘̭͉̳͟ę͔̠̺̖̞͙ͅl̙̺̤͇͘i̦̲̘͞ng͞ ̢̣͔o̞͕̜f̛̭̰͖̙̮̺ ̰͍͙͓̱c̥h̨͖a͘o̡͓s̼͍̠.̸
̰͔̟̳̺̜̀W̠̫i̸̱̜̞͈̼̱ͅt̘̠̹̮͔̭̀ͅh̢̳͍̬̟̠̤͓ ̮̥o̪͈̱̫͖u͠t ͎̥̰ͅòr̘̼̮d̻e͉͓͉̺͓r̥͙̻̖̹͈̩͜.͡
̠̯̫̝̟̬͉T͇̻̟h͓͟e ̴͔̹̥̘͚͈͓N͎̦͎e̹͎̲̟͉͎͖z̫̲̜͍̺̹͡ͅp҉̺̦͔̩̣͍̼er̳̞͕̤͜d̞̯̥͔i̯̭̰͉̰͇aņ͖̹̟͍ ̟̝̘́h̠̹͜i͈̥͖͕̻͓͇͘v̜͎̬e҉̦͚-̬̘͓̖͜m̴̬̙̘̟iṋ̠̥̜̻̕d̜̬͇̱̼̖ ̯̥̺̬͠o̲͚͎f̘ ̸̣͉͙̹͚̥̫c̺͕͞ḫ͇͚͖̯͙a̸̺̥͚o̬͇͔͠s̱͕̙̗.̵̰̮̦͖ ̷̲̣̼̞̜̩Z̶̖̤̟̬̠͉͍a͟ḽ̭͙̮̗g̀o̺.͘
҉̙͔̳͇̘̯ͅH̘͕͔e̷̪͎̟̯ ̘̱̫͓̝̘̝w̖̞͔̳h̸̝̙̠͖͍̭ó̭ ̵̤W̧͉̝̟̝̼͙ͅa̧͓̯̯͔͈̫̰i̫̟̭͓̣͞t̸̩̥͚̻̦șͅ ̴̻͓̮͚B̨̪̗͈̣͈̦̬ę͍͍̳̩h̻̻̜̲͙̥̭i̪̜̥̦͍̪̩n̢͎͇͚̩̲͚d̡̖͈ ̼̱͘T̵̥͔̬̩̤̮̳h̹e͇̤ ̯̮̰͓͟ͅW̫̺̥͝ḁ͚̤̝̕ḷ͓̠l͚̦̠̖̫̼̗͞.̲͙͕̥̻̬
̠ZA̞͓͔̙͢LG̺͉O͉̱̹̱̗͚!̛͚̗͙̞͍
Zalgo is an internet meme and possibly a Lovecraftian monster. He/it is best known for the screwed up text that you see above but he got his start corrupting newspaper and web comics on the Something Awful forums way back in 2004. The text effect is little more than random symbols that are stacked in super and subscript.
For the full story go to the know your meme page.
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