What does "SIO" mean?
popular abbreviation in Singapore that refers to Senior Investigation Officer
Explore other Singlish words
- HYSS
- SAWL
- ICBC
- teh-siu-dai
- world
- KL
- kampong / kampung
- teh-cino
- SYFC
- YP
- kopi-siu-dai
- DPP
- SGSS
- RWS
- arrow
- mong cha cha
- PE
- D & N
- SMC
- atas
- POSB
- MINDEF
- teh-kah-dai
- IMH
- agak-ration