of or relating to two objects used in the same sentence or idea that do not normally belong together.

mathematically equal to one (1) lightyear + one (1) standard unit of amazingness
Dragon Pillow? Thats fantastical.
by Mike October 29, 2007
a. of or being fucking fantastic b : conceived or seemingly conceived by unrestrained fancy c : marked by extravagant fantasy or extreme individuality

FANTASTIC may connote unrestrained extravagance in conception or merely ingenuity of decorative invention
I had a fantastical dream about Paul. Gin thinks Paul is so damn fantastical.
by GinMarie July 28, 2007
conceived or appearing as if conceived by an unrestrained imagination; odd and remarkable;incredibly great or extreme; extravagantly fanciful; marvelous.
"I hope that you have fantastically wonderful dreams."
by EmilyAnn January 18, 2007
a word that describes something that is beyond fantastic, it can only be use in a satyrical fashion or when a person feels to lethargic to actually say fantastic
JJ: I just got myself a wig for that KISS concert next month.
Jeremy: That's fantastical......
by mr.fantastical September 7, 2009
the best, wonderful, perfectlly amazing!
today was fantastical, i got an "a" on my test, and i got a new boyfriend.
by megasheid June 27, 2007
The most fantastic part of women: 2 boobs + left & right ass cheek.
by anteater97 August 14, 2014