Well here is my take on it....
Greatness is when Nacho cheese is the perfect amount of spicy and the chips are just the right amount of salty.
Greatness is when my hair flips at just the right angle taking some of the chubbiness of my cheeks.
Greatness is when the hot water lasts for the entire amount of time that I desire to remain in the shower.
Greatness is when a Charleston Chew is just the right amount of melty.
Greatness is a brand new episode of South Park. (especially with a music montage.)
Greatness is Four Cheese Doritos.
Greatness is Body Butter from The Body Shop.
Greatness is Johnny Depp as Captain Jack Sparrow.