Come On Over Meaning

(intransitive, idiomatic) to visit someone's home.

Example: 2009, Anna Balmer Myers, Amanda:Daughter of the Mennonites Chapter 24
  â€œI’m so glad it isn’t worse.”
  â€œYes, ain’t, abody still has something to be thankful for? Then you’ll come on over, Amanda?”
  â€œYes, I’ll be over.”