Felicious is short for, "Fucking Delicious".
As an instant-food loving geek, I thought the hot pockets were uber felicious.
A beautiful, cunning but notoriously evil, virgin whore. Derived from the name Felicia.
Her attitude is very Felicious. Has she been around with all the guys?
v. combination of feline and malicious. Uses your cat for a companion, but then shuts them in your room while you are sleeping when they become hungry, etc.
It was very felicious of my sister to close the door on my cat so that she would wake me instead of feeding the cat herself.