there isn't one - yet.
Back in the day I used to add a ;-) to avoid misunderstandings in emails and texts. But I'm in the "really???!" camp when it comes to adding a string of pictures at the end of a text or social media post.
When Craig gave that infamous demo of the iPhone X ("let's go to backup") He said something along the lines of "Here we are with the most advanced technology in a phone and you want me to make a poop sing" (I can't find the clip and get the exact quote). The technology has well and truly overtaken our real needs.
But then while looking at the page about the forthcoming toilet roll emoji it occurred to me that we're making a great job of assigning images to objects with a short code for each. We're building a dictionary of bytecodes for pictorial representations of objects.
That's incredibly efficient and has potential beyond embellishing your texts. How soon before we start adding more abstract concepts like 'week' and 'meeting', adjectives and conjunctions etc and end up with a universal language which can be stored incredibly efficiently?