On social media, there are indeed some words that may be used to describe people as not pretty or have negative connotations. Here are some common examples, but remember that these words are often unfriendly and should be used with caution: 1. **Photo fraud**: refers to a large difference between the photo and the person, usually used to describe the photo as better looking than the person. 2. **Disfigured**: refers to poor appearance or poor appearance due to some reasons. 3. **Auntie face**: describes a person who looks old or does not meet the aesthetic standards of young people. 4. **Passerby face**: means ordinary appearance, without obvious features or appeal. 5. **Dead makeup removal**: refers to a large difference between before and after makeup, usually used to criticize a person for not looking good without makeup. 6. **Magic mirror**: implies that it looks ugly from certain angles or situations. 7. **Low appearance**: directly points out that a person's appearance does not meet the mainstream aesthetic standards. 8. **Zha Yan**: similar to "very bad appearance". 9. **Dinosaur**: This is a less polite word used to describe an unattractive appearance. Please note that using these words may cause harm to others, so it is recommended to avoid using them in any situation. If you encounter these comments, stay positive and remember that beauty standards vary and it’s important to respect and appreciate your own unique beauty.