What's the story to this?

He told me he will text me whats up where he wanted to meet the next day and never did so i messaged him every 2 days and today he finally messaged me back and said this.

Hey dipshit I got more important things to worry about then your seat covers. I have a locked up engine if you have been reading on here or dfw50. And how in the **** did I waste your time. You could had sold that to the first person to show you money. **** off kid.

I had no clue what was going on i dont look at everyone post....