It can also be used for joking and teasing.
It is one of the most commonly used emojis on social media websites such as FacebookTwitterand Instagram. The creation and early development of emojis "Crying happy face" back to in Japan, and is attributed to Japanese telecommunications planner and then- NTT DoCoMo employee Shigetaka Kurita, who sketched illustrations after coming up with the idea of adding simple images to NTT DoCoMo's texting feature.
What was officially called the "Face with Tears of "Crying happy face" emoji by the Unicode Consortium  was introduced with the October release of Unicode 6.
In MayInstagram Engineering posted a blog that highlighted Instagram user data, revealing that the emoji was the most popularly used on the Instagram platform.
What does it mean? Is it good or bad? With [the emoji's] intense and inscrutable emotional lability[it] is less of a word and more of an invitation to invent some sort of meaning".
Regarding the reasoning behind the emoji's popularity, Fred Benenson, author of Emoji Dickcommented that "it is versatile. It can be used to convey joy, obviously, but also 'I'm laughing so hard I'm crying.
From Wikipedia, the free encyclopedia. Retrieved July 28, Retrieved February 13, Retrieved July 31, Retrieved July 29, Machine Learning for Emoji Trends".