The Dictionary of American Regional English is an epic compendium that’s been in the works since 1965. Now, it’s done and all 60,000 words are available on a great interactive site. Just to give you a taste of the myriad riches contained therein, the following are all regional variations on informing a woman her slip is showing:

• “It’s snowing down south”
• “Your father likes you better than your mother”
• “Whitey’s out of jail”