I would say these types of comments are way over crossing the line.
1-and you can go fuck YOUR daughter, which you probably already do.
2-go fuck your mother.
That should be a lifetime ban....Time will tell though.
OK, but that stuff just doesn't bother me if it's said to me. I'd just smile and walk away
I would think the person speaking those words is a fucking idiot and I won't dignify his existence with a response.