symbl-data/loc/en/symbols-desc/1F62B.axyml

A yellow face with X-shaped eyes, scowled brows, as if yawning from exhaustion or groaning with anger. It's usually depicted with upper teeth and sometimes with a tongue. Although its purpose is to show tiredness, usually it conveys a wide range of feelings like disappointment, sadness, also anxiety. Basically, a very strong and overwhelming emotion.