| Abbreviation | Definition |
|---|---|
| GSO | General Services Officer |
| GSQM | Global Supplier Quality Manager |
| GSR | Group Service Representative |
| GSS | Game Support Specialist |
| GSS | Government Sales Specialist |
| GSSA | General Sales and Service Agent |
| GSVP | Global Senior Vice President |
| GT | Graph Theorist |
| GTST | Gas Turbine System Technician |
| GUD | Geographically Un-Desirable |
| GUIDE | General Unemployment Insurance Development Effort |
| GW | Great Worker |
| GW | Great Writer |
| GWH | Girl Who Hustles |
| GWM | General Works Manager |
| GYN | Gynecologist |
| GZR | Geezer |
| H | Hobo |
| HA | Hired Assassins |
| HAB | Haberdasher |