Top Definition
Determining the success or potential success of a relationship by whether one person in the relationship loves olives while the other person hates them.
Marshall and Lily in "How I Met Your Mother" argue that based on the Olive Theory, they are an awesome couple based on Marshall's hatred of olives and Lily's olive love.
#olive #theory #olive theory #how i met your mother #relationship
by Barnabus Stinson January 24, 2009
4 Words related to Olive Theory
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