A commonly used term refferring to objects, people or food types that are characteristically high in fat, cholesterol, bitterness and are just nasty all the way to the core. Something termed "swish-ilicious" can commonly give you very sticky fingers.
Boy: "I just got dumped over the phone by my long standing partner, so naturally I'm going to eat some chicken that is dripping with fat."
Boy's Friend: "Oh dude! That's so swish-ilicious!"
Boy's Friend: "Oh dude! That's so swish-ilicious!"
by YourMotherBrokeMyStairs June 10, 2011