v. intr.: To grow to such greatness in degree that it defies all attempts at description. To become so great that only an invented word will suffice. (Generally used of positive qualities, such as beauty or brilliance.)
cf. adj. scrumtrulescent, coined by Will Ferrell as James Lipton, on SNL's sketch "Inside the Actors Studio."
I can't even describe her hotness now, she has simply scrumtrulesced since high school.