๐ง๐ฟ: girl: dark skin tone, usually shown as a front-facing child headshot with pigtails.
This usually means a young daughter or student in contexts like school life or childhood.
'My girl ๐ง๐ฟ is so excited for school!' or 'Happy birthday to my niece ๐ง๐ฟ!' are common ways to use it in chat.