Nastilicious
The extreme magnitude of something being nasty. Ultimate nastiness. This is the opposite of delicious.
That sandwich you made was nastilicious!
Nastilicious
Something that is horribly disgusting, but you love it anyway.
These cold churros are nastilicious.
Q: Why are you spending time with that girl?
A: I can't help it she's nastilicious.
Q: Why are you spending time with that girl?
A: I can't help it she's nastilicious.