Here are some common abbreviations which I can understand:
KJ: Koujiao (i.e. blow job, massage by mouth, oral sex)
BJ: Blow job (i.e. massage by mouth, oral sex)
DL: Dulong (i.e. poisonous dragon drill, anus penetration by tongue)
HJ: Hand job (i.e. massage by hand)
FJ: Feiji (i.e. hand job, massage by hand)
KB: Koubao (i.e. ejaculation in month)
ML: Make love (i.e. sexual intercourse)
KB: Kaobi (i.e. sexual intercourse, make love)
KY: KY jelly (i.e. lubrication jelly)
BG: Bone Girl (i.e. massage girl)
SN: Sauna
TN: Tuina (massage)
BT: Botui (massage by breasts)
XT: Xiongtui (massage by chest)
MZ: Muzu (foot massage)
TT: Taotao (i.e. condom)
TY: Tuiyou (i.e. push with oil)
MY: Manyou (i.e. roaming)
AM: Anmo (i.e. ordinary massage)
NC: Night club
FL: Falang (i.e. hairdressing Salon)
K: KTV (i.e. karaoke, night club)
KF: Kongfei (i.e. flying in air)
BH: Binghuo (i.e. ice fire)
.....
CA: Changan town (in Dongguan)
CP: Changping town (in Dongguan)
DC: Dongcheng (Dongguan city east)
DL: Da Lang town (in Dongguan)
DS: Danshui town (in Huizhou)
GC: Guancheng (Dongguan city centre)
NC: Nancheng (Dongguan city south)
WJ: Wanjiang (a district in Dongguan city)
ZMT: Zhangmutou town (in Dongguan)
QT: Qiaotou town (in Dongguan)
SZ: Shenzhen
ZH: Zhuhai
ZS: Zhongshan
GZ: Guangzhou
HJ: Houjie town (in Dongguan)
SL: Shilong town (in Dongguan)
SJ: Shijie town (in Dongguan)
TX: Tangxia town (in Dongguan)
