Appropriate uses for the 'F' word

[IBhacknU]

"What the f was that?"
Mayor of Hiroshima

"Where did all these f-ing Indians come from?"
General Custer

"Any f-ing idiot could understand that."
Albert Einstein

"It does so f-ing look like her!"
Pablo Picasso

"How the f did you work that out?"
Pythagoras

"You want WHAT on the f-ing ceiling?"
Michaelangelo

"I don't suppose its gonna f-ing rain?"
Joan of Arc

"Scattered f-ing showers...my ass."
Noah

"I need this parade like I need a f-ing hole in my head."
John F. Kennedy

"Who the f is going to know?"
Bill Clinton

Any others?