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“Ran” in this context is part of a dialect of English in certain parts of the US. It is spoken that way, on purpose, by native speakers, and is thus perfectly correct.
Saying that it “makes people think you share teeth” shows that you are in fact aware of this cultural distinction and your problem with the usage is not about grammar but about classism, which is also clearly on show with your bigoted description of southern US people.
Reminds me of my partner’s childhood pastor warning them not to spend too much time questioning their faith, because in their experience it had led a lot of people away from the church. Gee, maybe think about how that sounds. Like, you basically just told them that your beliefs couldn’t withstand interrogation.