Face without mouth

It can also be used to convey a sense of ambiguity or a lack of emotion.

According to Emojipedia, this emoji was approved as part of Unicode 6.0 in 2010 and has since become a popular choice among social media users. It is currently ranked as the 26th most popular emoji on Emojipedia's "Top 100" list.

This emoji is commonly used by all age groups, but it may be more popular among younger generations who are more active on social media. It is often used in humorous or sarcastic contexts, and can also be used to express awkwardness or discomfort.

The most common platforms for this emoji are messaging apps such as WhatsApp, iMessage, and Facebook Messenger, as well as social media platforms like Twitter and Instagram. It is also commonly used in online forums and comment sections.

While this emoji may not necessarily be considered rude, it can be interpreted as dismissive or uninterested in certain contexts. It can also be used to convey a sense of secrecy or withholding information.

The history of this emoji is not well-documented, but it is believed to have originated from the Japanese emoticon "mukuchi" (無口), which means "silent" or "taciturn." It is also similar to the "muzzle" emoticon used in Japanese manga and anime to indicate a character's silence.

In conclusion, the 😶 face without mouth emoji can have various meanings and is commonly used on social media platforms to convey speechlessness, ambiguity, or a lack of emotion. It is popular among all age groups and is commonly used in messaging apps and social media platforms. While not necessarily rude, it can be perceived as dismissive or secretive in certain contexts. Its origins can be traced back to Japanese emoticons and manga/anime culture.