The men featured in these videos are frequently portrayed as "everyday" guys—construction workers, students, or young professionals. This lack of professional "polish" creates an aura of raw, unrefined masculinity that many find incredibly attractive.
It sounds like you're referring to a specific adult video title or a scene from the Czech Hunter series, which is a well-known gay adult entertainment franchise. The phrase “czech hunter hunk” likely describes an episode where a fit, attractive man (“hunk”) is approached in a public setting. czech hunter hunk