http://www.snopes.com/language/acronyms/fuck.htm
I hope this doesn't offend...it's the etymology of the "f word."
If the address above doesn't show up, it's because the "f word" is the four letters before the ".htm" at the end of the address.
I'm LEARNING IN FREEREPUBLIC!!!!!
Looks like RoseofTexas was onto something after all.