Here are some of the best freaking F word replacements for the next time you need to eulogize the loved one or to leave a message for somebody driving by in their car. Let's start with frac. This is the perfect euphemism, or at least one that perfectly avoids a taboo word while keeping much of the same obseeing odor. The original 1978 version of Battlestar Galactica spawned the word frac, but the term has greatly spread since that time