TOP TEN TIMES IN HISTORY, WHEN USING THE "F" WORD WAS APPROPRIATE :
10th - "Scattered @#$%ing showers, my ass!" - Noah, 4314 BC
9th - "How the @#$% did you work that out?" - Pythagoras, 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 @#$%ing idiot could understand that." - Einstein, 1938
3rd - "What the @#$% was that?" - Mayor Of Hiroshima, 1945
2nd-"I need this parade like I need a @#$%ing hole in the head-JFK, 1963
And, the Number 1 most appropriate time for using the "F" word...
"Aw c'mon. Who the @#$% is going to find out?" - Bill Clinton, 1997