Najran
Najran is a city in Saudi Arabia where the Yam tribe lives and they are so tough they could beat a camel in a wrestling match and still have enough energy to insult you for an hour.
My cousin got beat up by a Yam guy for not saying hello.
I tried to flirt with a Yam girl and she called me a chicken.
My uncle fought a Yam man and lost because he forgot to bring his lunch.