Crab

When sent on social media, this emoji usually means that someone is feeling crabby or grumpy. It is not a particularly popular emoji, but it is used by people of all ages. It is most commonly used on Twitter, Instagram, and Facebook. This emoji is not considered rude and is generally used in a humorous way.

The history of this emoji dates back to 2010 when it was added to the Unicode Standard. It was part of the first set of emojis released by Unicode and has been included in every version since. It is one of the few emojis that has remained unchanged since its initial release.