expression used to show extreme dislike or unsatisfactory to a person, or even a thing. like the expression "fag", but is used to make a stronger emphasis.
teacher: class, we have a popquiz over yesterday's chapter, there will be twenty problems and you will have five minutes to finish.
me: WHAT A FAG
At a restaurant or cafe, a waiter brushes up against you making it out like it was accidental despite him having plenty of room to move about between the tables.
You yell out so the whole floor of diners can hear clearly: "WHAT ARE YOU A FUCKING FAGGOT OR SOMETHING?!"