Upside-Down Face: Also Known As, Sarcasm, Inverted, Silly.
Smiley face upside down, eyes open, mouth open slightly curved up.
A Face in an inverted position often used to express euphoria, the intense joy, happiness, may be mean ridicule and mockery.
* Approved as part of Unicode 8.0 in 2015.
* Added to Emoji 1.0 in 2015.