Sweatsmile or :sweatsmile: is a common-to-find emote in the oficial Fancade discord server, it is also used on almost all Fancade memes, good luck trying to find a post in #memes that doesn't has a sweatsmile reaction

:sweatsmile: also known as the best emoji found in pretty much all of the fancade related servers

Here is an image of the :sweatsmile: emote