The 🫦 “Biting Lip” emoji is included in Unicode 14.0 in 2021. It is similar to the emoji 👄 “Mouth”, but this emoji features teeth biting the lower lip on one side. The represented motion signifies flirting, romance, sexual desire, seduction and coquetry. It can also express nervousness, anxiety, pain, worry and fear. Sometimes the reaction conveys shyness and indicates insecurity. Often the 🫦 “Biting Lip” emoji is used in romantic and sexual communication as an indicator of excitement, anticipation, excitement, and flirtation. Used in another context, it is interpreted as fright, constant or sudden pain, nervousness, confusion, and discomfort. (Source: Emojis.wiki, Fair use)