Fas is a shorter version of fail. It is easier to use and is extremely catchy. Because it's so short it's really useful for when someone fails at something.
- Someone trips and almost falls but its really funny. You say: "Ha fas"
- Your friend gets asked to do a chore by their parent. You say: " fas"
Fat Ass Syndrome - A serious medical condition whereby a woman's (or in rare cases a man's) ass is unproportionally large as compared to the rest of their body. This affliction has four levels of severity - mild, moderate, severe and uncontrollable. Generally this is a congenital and unreversible condition that cannot be cured via healthly eating and exercise.