Perhaps one of the most interesting words in the English language today is the word "FUCK." Out of all of the English words that begin with the letter "F","FUCK" is the only word that is referred to as the "F" word. It's the one magical word. Just by it's sound can describe pain, pleasure, hate, and love. "FUCK" falls into many gramatical categories:

As a transitive verb, for instance: John fucked Shirley.
As an intransitive verb: Shirley fucks.

It's meaning isn't always sexual. It can be used as an adjective, such as: John's doing all the fuckin' work.
As part of an adverb: Shirley talks too fucking much.
As an adverb enhancing an adjective: Shirley is fucking beautiful.
As a noun: I don't give a fuck.
As part of a word: Abso-fuckin-lutely or in-fucking-credible.
And as almost every word in a sentance: Fuck the fucking fuckers.

As you must realize, there aren't too many words with the versatility of "FUCK." As in these examples describing situations such as:
Fraud: I got fucked at the used car lot.
Dismay: Ah, fuck it!
Trouble: I guess I'm really fucked now.
Agression: Don't fuck with me buddy!
Difficulty: I don't understand this fucking question.
Inquery: Who the fuck was that?
Disatisfaction: I don't like what the fuck is going on here.
Incompetence: He's a fuck off.
Dismissal: Why don't you go outside and play hide and go fuck yourself.

I'm sure you can think of many more examples. With all of these multi- purpose applications how can anyone be offended when you use the word? I say use this unique flexible word more often in your daily speech. It will identify the quality of your character immediately.
Say it loudly and proudly "FUCK YOU!!"