By "untargetted" the parent almost certainly means "not tailored to take down the site". Some people do smart things and find a page that is heavy for your com

By "untargetted" the parent almost certainly means "not tailored to take down the site". Some people do smart things and find a page that is heavy for your computer to process and hit it a lot. Some people decide they don't like your service (or you) and flood you.