A classic yellow face emoji with its right hand saluting. It is a new emoji belongs to Emoji 14.0 which released in September 2021. It generally means salute, respect or "OK
👌". Sometimes this pose is used between soldiers as greeting. Related emojis:
🎖🪖🎗︎
💡：When you are saluting, it is a common knowledge that you should use your right hand
🤚. Since most people are right handed, using the right hand can shows that you are not hiding a weapon
🔫. And this practice gradually became a way of showing respect.