I've written before about how our family has a "safety call." Actually it's just a reason for us to be obnoxious in public.
If we can't find each other we just simply scream "cuhcaw!!!" at the top of our lungs until the other person yells it back.
But recently I've taken it upon myself to create a "party call." You know, when you're on the dance floor and some dude is all "oooha oooha," and then everyone repeats it back to him.
Well, no matter where I am with the kids, they seem incapable of not repeating that sound back when I make it.
I give you, Exhibit A: