The Face with Diagonal Mouth Emoji is a emoji with a diagonal line drawn through its mouth. It is used to express a range of emotions, including skepticism, disbelief, or doubt. It can also be used to show confusion or a lack of understanding.
Face with Diagonal Mouth was approved as part of Unicode 14.0 in 2021 and added to Emoji 14.0 in 2021.
U+1FAE4