Top Definition
The theory that (regarding any upcoming physics test) you either know it or you don't. Not to be confused with the Ridings Postulate, which states that you either know it or you don't regarding ANY test, not simply physics. Applying these ideas often results in failure.
Me - "Dude, I have a physics test tomorrow! Fuck!"

Ridings - "Same. But I'm not studying, according to my theory, the Ridings Theory - in physics, you either know it, or you don't."
by jm6695 December 24, 2013

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