come one, come all

come one, come all

A phrase used to indicate that something is directed at or open to all people. Auditions are at 3:30 this afternoon—come one, come all! I don't know how to get more customers into my store, short of standing outside and shouting, "Come one, come all!"
See also: all, come

come one, come all

  (formal)
something that you say which means that everyone or everything can join or be included We can't just invite some people and not others, so I guess it's a case of come one, come all.
See also: all, come