| Abbreviation | Definition |
|---|---|
| GOP | Grand Old Pessimists |
| GOP | Grand Old Petroleum |
| GOP | Grand Old Plutocrats |
| GOP | Grand Old Politicians |
| GOP | Grand Old Politics |
| GOP | Grand Old Porkers |
| GOP | Grandma Of Peace |
| GOP | Grandstand, Oppose and Pretend |
| GOP | Gray Old Party |
| GOP | Great Opportunities For Profits |
| GOP | Great Opportunity Party |
| GOP | Greater Opportunity Party |
| GOP | Greed Or Piety |
| GOP | Greed Over Patriotism |
| GOP | Greed Over People |
| GOP | Greed Over Principles |
| GOP | Greedies On Parade |
| GOP | Greedy Obese Parasites |
| GOP | Greedy Obnoxious People |
| GOP | Greedy Obsessive Pigs |