A word only used to describe the popular graphics program "Swish." First used by Lunch Break Toons, a British webcomic made in Swish.

When you eat dirt for the first time and leave your family to build a shack in the woods

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.