An old man with a long beard, robe and staff, the classic picture of a wizard or sorcerer.
It fits fantasy books, films and role-playing games, along with โyou shall not passโ jokes. People also use it for a wise older man who gives good advice, or for a friend who has grown a very long beard.
Facts
Man mage ๐งโโ๏ธ is an emoji in the people and body category, under person fantasy. It became part of the emoji standard in Emoji 5.0, released in 2017. It is a sequence that joins ๐ง mage and โ๏ธ male sign. Devices that do not know the sequence show those emoji side by side. It comes in five skin tones, from light to dark. On GitHub, Slack and other apps you can type it as :mage_man: or :man_mage:. People also look for it with words like โfantasyโ, โmageโ, โmagicโ, or โmanโ.