Top Definition
The art of simultaneously exploring the furthest reaches of the galaxy and the cerebral cortex, while only appearing to be sitting in the corner completely stoned. First used in 1974 during high school art class.

Pronounced: Inter - planetary - oaf - alism
We thought she was just buzzed, but her mind was fully engaged in the prospect of what it might be like to explore The Dark Side of The Moon via interplanetaryoafalism.
by Komrade June 12, 2008
5 Words related to Interplanetaryoafalism

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