The combination of the words "delicious" and "perverted" that describes something that is very perverted (meant in a positive connotation). It can also pertain to a funny perverted joke, such as a TWSS. If something is pervalicious, it is sure that a pervert would like it.
Can be used to describe a person, comment, or item.
Museum Visitor: "That's the biggest bone I've ever seen!"
Friend: "That's what she said."
Museum Visitor: "Oh, come on..."
Friend: "I know you find my charms pervalicious, but shouldn't we do that in a more private setting."
Description of a man who always has a beer in hand and secretly wants to purchase a blowup pool and a lawn chair to sit in while he drinks. His car gives girls headaches and he is sometimes mistaken for a cranky old man. Despite this, he's the guy that every girl wants but never gets.