This emoji is the expressionless face and is often used to show boredom, apathy, or disinterest. Read more
It is quite popular, especially among younger age groups, as it is a simple way to express an emotion without using words. This emoji is most commonly used on social media platforms such as Twitter, Instagram, and Snapchat. It is not necessarily a rude emoji, but can be used in a rude way depending on the context.
The expressionless face emoji was first introduced in 2010 as part of Unicode 6.0, and was included in the Apple Color Emoji font. It has since become one of the most popular emoji, and is used to express a range of emotions, from boredom to frustration. It has been used in a variety of contexts, from expressing boredom in a conversation to expressing frustration over a situation. It is also often used to express disinterest or apathy.