| Abbreviation | Definition |
|---|---|
| GOP | Guy's Own Party |
| GORGE | Going On Realistic Grass Ever Lasts |
| GORP | Grand Old Rusty Pickup |
| GOS | Girlfriend Of Steel |
| GOSG | Good Luck Online Support Group |
| GOSPEL | God Offers Sinful People Eternal Life |
| GOWO | Grumpy Old Warrant Officer |
| GP | Girl Power |
| GP | Glow Person |
| GP | Go Pfast |
| GP | Going Pee |
| GP | Gross People |
| GPA | Golden Party Armor |
| GPA | Goodness Poor Amy |
| GPA | Gosh Played Acrophobia |
| GPA | Great Party Action |
| GPA | Great Party Alcohol |
| GPA | Greatest Paper Airplanes |
| GPC | Guessing Peoples Curriculum |
| GPK | Garbage Pail Kids |