Top Definition
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.
by DSlim July 25, 2011
The extreme magnitude of something being nasty. Ultimate nastiness. This is the opposite of delicious.
That sandwich you made was nastilicious!
by Rahchill August 11, 2013

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