Ten times when using the "f" word was probably acceptable:

10. "What the @#$% was that?" - Mayor Of Hiroshima, 1945
9. "Where did all those @#$%ing Indians come from?" - Custer, 1877
8. "Any @#$%ing idiot could understand that." -Einstein, 1938
7. "It does so @#$%ing look like her!" - Picasso, 1926
6. "How the @#$% did you work that out?" - Pythagoras, 126 BC
5. "You want WHAT on the @#$%ing ceiling?" - Michelangelo, 1566
4. "Where the @#$% are we?" - Amelia Earhart, 1937
3. "Scattered @#$%ing showers....My ass!" - Noah, 4314 BC
2. "Aw c'mon. Who the @#$% is going to find out?" -- Bill Clinton, 1999

And .. . . drum roll . . .
1. "I didn't think they'd get this @%#*^ing mad." -- Osama bin Laden, November 2001