What are the characteristics of swearing in Beijing dialect?

Scholars have different realms. In ancient Beijing, many dignitaries, even servants of wealthy families, dared not expect anything. Therefore, the culture at that time was formed, satirizing but not humiliating others, hurting people, making enemies, swearing and expressing their dissatisfaction with dignity. I heard that in Beijing before the Republic of China, no matter whether that person was unreasonable or not, all Beijingers discriminated against him, thinking that he was uneducated, unruly, rude and had no tutor, and then everyone was unwilling to get in touch with such people.