Quintessence, meaning 'fifth element', refers to the elusive fifth element that completes the basic four elements (water, fire, air and earth). There is also a movie called The Fifth Element.
A popular Internet catch phrase commonly used on forums such as Something Awful. Posts are given a rating out of five. Posts which receive an average rating of five are referred to as 'top posts' or 'comedy gold'.
oh boy! i like that wiki entry. we actually sell the frozen Five Alive at my grocer. when i go to the UK, i'll have to see if i can get it in a bottle.