This emoji is a no entry sign, indicating that something is not allowed or prohibited. Read more
It is a popular emoji, particularly among younger users, and is most commonly used on Twitter, Instagram, and Facebook. It is not necessarily a rude emoji, but can be used in a negative way depending on the context.
The no entry sign has been used since the early 20th century, when it was first used to indicate that a certain area was off-limits. It was adopted as an international symbol in the 1950s and is now used to indicate that something is not allowed or prohibited. It has been used as an emoji since the early 2000s, and has become increasingly popular in recent years as a way to express disapproval or to indicate that something is not allowed.