Disgusted smiley, which is already green with sickness and nausea. Might mean disgust, reluctance, or aversion, or stand for sickness.
The nauseated face emoji was introduced in 2016 and released as part of the Unicode 11.0 standard. This emoji can be found under the smileys and emotions category. Because the nauseated face emoji has been around for quite some time, it should display correctly in the majority of operating systems.

Here you'll find a range of emojis on how they will look using different operating systems. Each company will design an emoji according to their own style. Here we have listed the most popular platforms around to see how the emoji will look on their screens.

Short Codes:

:nauseated_face:
:sick:

Hex Code:

🤢

Decimal Code:

🤢

Punycode:

xn--bq9h

URL Escape Code:

%F0%9F%A4%A2

JavaScript & JSON:

\ud83e\udd22

CSS Code:

content: '\01F922';