This technically isn't an emoticon. It's an Other_Symbol U+21A9 ‹↩› \N{LEFTWARDS ARROW WITH HOOK} followed by a Nonspacing_Mark U+FE0F ‹◌️› \N{VARIATION SELECTOR-16}. VS16 forces rendering of graphemes as a colourful graphic (where supported).

https://en.wikipedia.org/wiki/Variation_Selectors_%28Unicode...