Top Definition
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 05, 2009
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