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1 definition by haruhiiist

The "religion" of people who are fan of the popular anime series 'The Melancholy of Haruhi Suzumiya'. Haruhism is taken from the first name of the main character of the anime, Haruhi Suzumiya. Haruhist's usually participate in activites related to the anime, such as doing the popular dance seen in the anime (Known as 'Hare Hare Yukai'), as well as other activites such as forming their own "SOS Brigades"
Haruhist people practice Haruhism and Hare Hare Yukai!
by haruhiiist January 04, 2011