marinerat
Marinerat is a term that can refer to several different things, primarily relating to maritime activities or the sea. In some contexts, it might be used as a portmanteau of "mariner" and "rat," suggesting a sailor who is deeply experienced or perhaps even a bit rough around the edges, someone who spends an excessive amount of time at sea. This usage is informal and often found in nautical slang.
Alternatively, "marinerat" could be a more specific term within a particular field. For instance, it might be