Using it on other servers or in DMs needs Discord Nitro.
To add it to a server you manage, download the PNG, then open Server Settings → Emoji → Upload Emoji. Discord takes PNG, JPG and GIF files up to 256 KB.
Also known as
ST_blobsweat, yikes, emojisweat, BlobSweat, TH_blobsweat, blobsweat, ono