Meaning
A circle with an arrow pointing up and to the right, the traditional sign for male, also called the symbol of Mars. Biology and medicine use it for males, and everyday chat uses it for men and boys.
It shows up in profiles, team splits, gym groups and polls: “Boys’ dorm ♂️ room 204” It also works invisibly inside sequences that create the man version of an emoji, such as 🙋♂️. Pair it with ♀️ when listing both, or ⚧️ to include transgender people.