๐คท๐ฟโโ๏ธ is woman shrugging: dark skin tone, usually shown with raised shoulders and open palms.
This gesture usually means not knowing an answer or having no strong opinion. It is commonly used for 'I don't know' or 'it's up to you'.
For example, 'I have no idea ๐คท๐ฟโโ๏ธ' or 'Whatever you want for dinner ๐คท๐ฟโโ๏ธ' are common ways to use it in chat.