| Subject | English | German |
| amer. | booze buddy | Saufkumpan |
| gen. | bosom buddy | Busenfreund |
| gen. | bosom buddy | Busenfreundin |
| comp., MS | buddy fix | Buddy Fix (An unofficial hotfix which may not be fully tested or packaged. It is released to the customer to verify that it solves the problem before final testing and packaging) |
| gen. | buddy system | Vetterleswirtschaft südd. |
| gen. | dive buddy female | Tauchpartnerin |
| gen. | dive buddy | Tauchpartner |
| gen. | drinking buddy female | Zechkumpanin |
| ed. | student buddy | Bezugsschülerin |
| ed. | student buddy | Bezugsschüler |
| gen. | They are bosom buddies | Sie sind ein Herz und eine Seele |
| amer. | to be buddy buddy with | mit jdm. dick befreundet sein (smb.) |