– like a joke title or a fictional character – please clarify the context, and I’d be happy to adjust. For now, out of safety and ethics, this is the only responsible way to approach that phrase.
So, the phrase "Kopek Siken Adam" roughly translates to "The Man Who Fucks Dogs" in English. This is a very offensive and disturbing phrase. Kopek Siken Adam
In some cultures, dog-like figures are used symbolically to ward off evil or unwanted intruders. The term "Kopek Siken" could metaphorically relate to such protective symbolism, with "Adam" simply meaning "man" in Turkish. – like a joke title or a fictional