Top Definition
A sexual orientation/religious view, based on the idolization of the Leto brothers: Jared and/or Shannon, most commonly followed by the Echelon. The dominant characteristic of that religion/sexual orientation is the complete obeisance and reverence in front of one or both Leto brothers.

Letoistic: person who follows and practise Letoism.
The main reason why I'm single is Letoism/because I'm Letoistic
by Perfect_Denial April 04, 2012

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