Am I overreacting

When you invited him his response was unenthusiastic.
You could have said that you could have chosen to mute your expression a bit. Maybe you could have said you felt disappointed and left it at that - which would have left you some time to think about his response. Even so, I understand that at the time it happened, his underwhelming response took you by surprise. I'm guessing it hurt, and in the heat of the moment it was probably hard to see or think of other ways of responding.
However, when he said, "Dont start Your non-sense.I am not playing your games anymore all the stupid things you text me just keep running your mouth of yours I won't be putting up with it. For to much longer Just giving you a heads up , when you're crying because I'm gone , remember that big mouth of yours was the reason,"
there was a much bigger message in it.
He's telling you that he's been very unhappy with your style of communication with him for a long time. He's been building up a lot of resentments and is getting to end of his ability to tolerate it.
You might not be aware that there are other ways of communicating which don't trigger these kinds of reactions. If you're interested, you could look up Marshall Rosenberg's Compassionate Communication on YouTube.
If it were me, I'd let go of that relationship and not contact him again.
However, if you love him deeply and want to stay with him, I'd make the effort to learn to be a better communicator.
All long term relationships require this type of work to survive and have a chance of being happy and successful.

One other point. Although there can be valid mitigating reasons, in general if an adult (over 18-21) is still living at home with his family of origin, it's a sign that he himself is not quite functional. I would not want to be involved with someone who can't earn a living and create his own independent lifestyle.