1. The most wonderful and different person, place, thing, idea, or feeling that you can ever imagine.

2. So different or weird that it is utterly amazing.
1. Boy: Your the most wonderful person in the whole world!
Girl: I think your Splendifersouly Wontastical too!

2. That pineapple and anchovie pizza is splendiferously wontastical.
by Panthergirl092789 July 5, 2009
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