It must be "Qiu Ba"! Swear words.
The two characters "Qiu Ba" together form the character "soldier", which refers to people who serve as soldiers. Of course, this is a derogatory term for soldiers in the old society.
Related to "Qiu Ba" is "Qiu Er" in Chongqing. The Sichuan dialect habitually calls store clerks: Qiu Er. In fact, this kind of saying has not been around for a long time. It originated in Chongqing during the Anti-Japanese War. At that time, a wounded soldier retired from the war and opened a small restaurant in Chongqing. The business was very good. He invited a few waiters to help. The name "Qiu Ba Hotel" means someone who has been a soldier. If the word "soldier" is split into two parts, it is Qiu Ba. However, Qiu Ba is the boss now, and the waiters below cannot also call him Qiu Ba Thii, so he thought that the character "horoscope" does not have two strokes. Just call the waiter "Qiu Er", and this small shop became famous. Now everyone habitually calls the store clerk "Qiu Er".