A man with a frown. ๐โโ๏ธ means a man who is disappointed, sad or let down.
Men send it to show their own letdown, or to describe a guy who looks unhappy, like a friend whose team just lost or whose order came out wrong.
Facts
Man frowning ๐โโ๏ธ is an emoji in the people and body category, under person gesture. It became part of the emoji standard in Emoji 4.0, released in 2016. It is a sequence that joins ๐ person frowning 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 :frowning_man: or :man_frowning:. People also look for it with words like โannoyedโ, โdisappointedโ, โdisgruntledโ, or โdisturbedโ.