two or more people who's lives are intertwined.
like a best friends, S/O, married couple, or a group of friends.
directed to one person to include the person being addressed and their significant others as to imply recognition of their bond.
replacement for: you guys, you two, you all, y'all
person A: Grail and I have decided to take cooking classes together.
person B: that's great!, I'm sure that'll be fun for yous.