10th - "Aw c'mon. Who the **** is going to find out?"- Bill Clinton, 1997

9th -"How the **** did you work that out?" -Pythagorus, 126 BC

8th -"You want WHAT on the ****ing ceiling?" -Michelangelo, 1566

7th -"Where did all those ****ing Indians come from?" -Custer, 1877

6th -"It does so ****ing look like her!" -Picasso, 1926

5th -"Where the **** are we?" -Amelia Earhart, 1937

4th -"Any ****ing idiot could understand that." -Einstein, 1938

3rd - "Scattered ****ing showers, my ass!" -Noah, 4314 BC

2nd - "I need this parade like I need a ****ing hole in the head!" - JFK, 1963

And,.....drum roll.......

The number 1 most appropriate time for using the "F" word.................

"What the **** was that?" -Mayor Of Hiroshima, 1945