A face with a big smiling mouth, and scrunched-closed eyes.
May be used in a similar context to the text-based >< emoticon.
Grinning Squinting Face was approved as part of Unicode 6.0 in 2010 under the name “Smiling Face With Open Mouth and Tightly-Closed Eyes” and added to Emoji 1.0 in 2015.
😆 Big Grin
😆 Closed-Eyes Smile
😆 Smiling Face With Open Mouth and Tightly-Closed Eyes