🤬หน้ากำลังด่าA face with symbols over the mouth — the manga way of censoring swearing. Conveys anger and cursing.
☹️หน้าบึ้งA classic frowning face. Conveys sadness and unhappiness — one of the original emoticon faces.
🫥หน้าเป็นเส้นประDotted lines. Means outlines, instructions and cut here. Use it for plans and "fill in the blanks".