The 🙃 emoji shows an upside-down smile, conveying sarcasm, irony, or a "this is fine" mood. It is used for mixed feelings or when you are trying to stay positive during an awkward or annoying situation.
Usage example
My internet is down again 🙃
Great, it only started raining the moment I stepped outside 🙃
🔞 NSFW▼
Slang and sarcasm
Irony / Passive-aggression. Often translates to "everything is falling apart but I'm still smiling" or dry, unhinged humor.