Ten Times in history when using the "f" word was appropriate:
> 
> 1) "What the f**k was that?" - Mayor of Hiroshima
> 
> 2) "Where did all these f**king Indians come from?" - Custer
> 
> 3) "Any f**king idiot could understand that." - Einstein
> 
> 4) "It does SO f**king look like her!" - Picasso
> 
> 6) "How the f**k did you work that out?" - Pythagoras
> 
> 5) "You want WHAT on the f**king ceiling?" - Michaelangelo
> 
> 4) "I don't suppose it's gonna f**king rain." - Joan of Arc
> 
> 3) "Scattered f**king showers... my ass!" - Noah
> 
> 2) "I need this parade like I need a f**king hole in my head!"      -
> J.F.K.
> 
> And the number one most appropriate reason to use the "f" word....
> 
> 1)  "Who the f**k is going to know?" - Bill Clinton