1. The state of having many mad skillz.
2. Beyond fantastic
3. Good beyond belief, unreal
Statement that works in conjunction with the example:
*Anna has many great skillz*

Doug: Anna, you are a fantastistical person, and the best companion anybody could ask for.
by Nero the Great June 3, 2008
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This is a combination of fantastic and autistic. This is a person that is autistic and has a talent that people think is fantastic. Kinda like rain man who could do mathmatical equations instantly.
It is fantastistic how he can stack those playing cards 6 feet high without having them collapse!

It can be fantastistic to be autistic when you have a fascinating ability to do something far better than almost anyone else.
by sweetmagnoliya January 4, 2012
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