there's a word for that.

Mamihlapinatapai: A look shared by two people with each wishing that the other will initiate something that both desire but which neither one wants to start.

But it's no wonder that no one uses it, go ahead, give it a shot, try saying it out loud. You'll sound quite outlandish.

However, I have had a need to use this word quite often lately. Let me pose the question: what are your thoughts on robbin' the cradle?