Something is insanely funny. The mood is exuberant - you are totally silly and crazy. Totally freaking out with enthusiasm or joy. Maybe someone has even told an indecent joke.
The zany face emoji was introduced in 2017 and released as part of the Unicode 11.0 standard. This emoji can be found under the smileys and emotions
category. Because the zany face emoji has been around for quite some time, it should display correctly in the majority of operating systems.