Use "docker" in a sentence

1. “I am sorry about that lad what must you think and me using language like a docker but I just cant stand blokes like that they make my blood boil

2. She swore like a ruddy docker

3. She wondered if he had heard of the accusation that she had killed the docker

4. The many places of interest that you can explore here are the Docker River, the Banjo Creek, Giles Weather Station and Lasseter's Cave