From a simple thumbs up to a laughing cowboy, there is an emoji for almost any conceivable moment. But it is the humble smiley face which is the most iconic of them all. However, if you've been ...

So, what is the upside-down smiley? The upside-down smiley emoji tends to be used in a sarcastic sense. The emoji is a flipped version of the usual smile face which is one of the most used emoticons.