Let me help u,but my English is terrible,I wish u can understand my meaning
"吉佬"is a code word be created by GuangDong LuoDing's(罗定) gangland,it just meaning "girl".
there is so many code word like this,for example “串 means (高傲、目中无人)"、“着草 means (跑路)”
We call this code word "培话"