Its original meaning: Well this is another sleeping emoji, believe it or not. And the tear is not a tear but is instead dribble. So it's a sleepy drool face, essentially.

Finally, an emoji to represent us all is coming soon: An exhausted face with bags under its eyes. It’s one of eight new emojis that will appear on smartphones and computers next year, which also ...

Message effects aren't enabled for every single emoji, but they do work with quite a few commonly used ones, such as clap, sleep, party, etc. Note that you'll need to limit your text to just one ...