What are knockers slang?
"Knockers" is slang for breasts. While "hobknocker" isn't a common term, "knocker" in this context refers to a person's chest. It's important to note that this is a colloquial and often informal term.
Related questions and answers
Why do people invent words like 'hobknocker'?
People invent words like "hobknocker" for various reasons, including humor, to express a specific nuance not covered by existing words, or simply for creative expression. Nonsensical words can add a playful, lighthearted tone to conversation and can be particularly effective in informal settings. It's a fun linguistic exercise.