Top definition
1. The most annoying debate in Final Fantasy history.

2. The Final Fantasy 8 theory which states that Ultimecia is Rinoa's future self.

3. A proven theory.
Guy: Ellone knew Seifer, Zell and Irvine.

Girl: But when Ellone takes Squall to Rinoa's past, you view her thoughts. which proves the R=U theory.
by Raven Firestone November 06, 2008
Get the mug
Get a R=U Theory mug for your dog Bob.