Translation of blitzschnell

I will add a feature to the dictionary builder tool, that marks a word as vulgar. The words that are shown in the tool are words that users did not find in our dictionary and a lot of them are vulgar.
I've also looked at the interface, and found it a good idea to include the colloquial option. Would it be very complicated to add the most important regional check box, like Spain, South America or Central America?
My name is Julio and I live in Santiago, which is in Chile. I speak a little German, but I want to improve. Where are you from? Where do you live? What is your favorite music? Auf wiedersehen!