Grinning Face 😃 Emoji Meaning

A yellow face with smiling eyes and a broad, open smile, showing upper teeth and tongue on some platforms. Often conveys general happiness and good-natured amusement.

Similar to 😀 Grinning Face but with taller, more excited eyes. 

Grinning Face with Big Eyes was approved as part of Unicode 6.0 in 2010 under the name “Smiling Face with Open Mouth” and added to Emoji 1.0 in 2015. Copy and Paste

http://www.fastemoji.com/43154