Noun. Something or someone that is weird yet wonderful. Often used as a term of indearment.
That sandwich was weirdiful, it had peanut butter, mayo and pickles but somehow all those weird yet perfectly wonderful ingridients made a weirdiful sandwich.
A portmanteau of "weird" and "beautiful" referring to the phase change that may occur when an excess of bizarre characteristics create a beautiful synergism.
One of God's own weirdiful prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.