Laughing cat with open mouth. Means fun and smirking, mostly used by cat lovers. The cattiness might stand for femininity.
The grinning cat emoji was introduced in 2010 and released as part of the Unicode 11.0 standard. This emoji can be found under the smileys and emotions
category. Because the grinning cat emoji has been around for quite some time, it should display correctly in the majority of operating systems.