The Thumbs Down: Medium Skin Tone emoji is a modifier sequence combining ? Thumbs Down and ? Medium Skin Tone. It is used as a single emoji on supported platforms.
Thumbs Down: Medium Skin Tone was added to Emoji 2.0 in 2015.
U+1F44E
U+1F3FD
?? Thumbs down sign
?? Emoji modifier fitzpatrick type-4