Southern US slang is sweet as pecan pie and twice as rich. These folks turned politeness into an art form where "bless your heart" can be the nicest or the meanest thing you ever heard.
"finna is usually used by the younger generations and it is a replacement word for fixin to or let's say a lazy word for fixin to and a good example would be ah I finna wake up I swear I"
"That food was bussin. I need another plate. Bussin means extremely good, like really yummy, or like especially with food, especially with food or drinks or something like that. I'm from the United States. I'm American."
"Turnt is a word to describe something as being turned up. It can refer to the volume of music or even an individual's energy. Example, yo, I've never been to New York before, but this place is turnt."
"Yes, sir, is a combination of the word yes and sir. It is used when responding to someone with an absolute yes in an exciting manner. Hey, the Stevie Wonder tickets came in. We're going to the show. Yes, sir, it's going to be a great night."
"On God, which basically means, kinda, pretty much, I swear to God, or like, I swear, like, you're saying the truth. A very famously quoted example would be, no cap, on God, bro."