When trying to describe something so fantastic that the
word alone just doesn't cut it. Something so fantastic that it's fantasticness can only be equalled by the awesome
power of the
female mammary glands also colloquially know as tits. A combination if "tits" and the suffix "tastic". Titstastic.
Duke: Bro, you have to try some of my weed-flavoured
cookies I baked this morning, they are fantastic! Nothing can
beat them!
Brent: Oh yeah? Wait till you try my pussy-flavoured homemade icecream with a hint of lemony
mint!
Duke: Wow! Now that's beyond fantastic! That is indeed titstastic, bro!