| Cur |
| Mutt |
| AKC reject |
| Crossbreed |
| No purebred |
| Not purebred |
| Of mixed breed |
| Mixed-breed dog |
| Of mixed origin |
| Uncertain blend |
| Dog show no-show |
| Dog of mixed breed |
| Westminster reject |
| Man's motley friend |
| Crossbreeding result |
| It's no thoroughbred |
| No-show at a dog show |
| Dog of indefinite breed |
| The Tramp, but not Lady |
| Tramp, e.g., in "Lady and the Tramp |