The theory that states that any girl
wearing white shorts will always look attractive
at a distance, especially at night. Always. This theory might produce actual results of the forementioned girl actually being attractive, but she will definitley look slightly less attractive than what you imagined her to be.
Guy: "Yo duuuude, check out that girl in the white shorts, she looks bangin'!"
Theorist: "I dunno man, remember
white shorts theory. She could totally be an
uggo."
Guy: "Good call, I'll get closer and scope her out."