10th - Scattered f***ing showers, my ass! - Noah, 4314 BC

9th - How the f*** did you work that out? - Pythagoras, 126 BC

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

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

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

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

4th - Any f***ing idiot could understand that. – Albert Einstein, 1938

3rd - What the f*** was that? - Mayor Of Hiroshima, 1945

A tie for 2nd:

2nd - I need this parade like I need a f***ing hole in the head! - JFK, 1963 or
2nd - I need this play tonight like a need a f***ing hole in my head! - Abraham Lincoln, 1965

AND... A drum roll please ...

The Number 1 most appropriate time for using the F word..,

Aw c'mon. Who the f*** is gonna find out? - Tiger Woods, 2009
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