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^ ^
From Gammapedia
^_^ is a shitty emoticon.
Usage
^_^ is commonly used by Wapanese people, Orange Bread Users, and Larissa. It's supposedly used to express happiness or kindness, but it actually a warning that the victim is about to be devoured by the person who is using it or another Wapanese individual.
Origin
^_^ is said to originate from Japanese cartoons, but some experts speculate this theory and have found proof that it may have been a Secret Nazi code meaning "ALL HAIL HITLER!!1"