Do what I do, unleash the most nasty foul mouth tirade you can think of...Really let them have it...
They'll read it, hit abuse, your post will be deleted and they will keep their mouth shut for fear of having their post deleted too.
At worst, you'll get sent to the penalty box for 24 or 48 hours...........LOL!
Think of the internet Christmas shopping you can do in those 24 or 48 hours instead of spending it here.
Well, you could report them, but why not take the high road and ignore them (or at least tell them you will not respond to them until they can act with civility?).