Of course the United States doesn't have an official language — Americans can't even agree on one version of English!
Luckily the Dictionary of American Regional English is here to document the words that you don't hear everywhere in the US. Did you know "discomgollifusticated" is how some New Englanders say "discombobulated?"
I've rounded up some sample regional phrases so you can test your dialect smarts. Good luck!
Soda or Pop? How Well Do You Know Your American Dialects?
What is a "monkey's wedding," according to people in Maine?