n'at - Pittsburgh's version of 'and that', like it's the only thing

Pittsburgh's version of 'and that', like it's the only thing they know how to say.

N'at I'm telling you, I'm gonna beat your ass if you don't stop talking.

N'at I'm saying, that football game was the worst I've ever seen.

N'at I'm telling you, I'm gonna eat all the pizza and you can't stop me.