1. Brokeback Mountain
2. A woman who harvest men for their sperm.
3. The act of being a white trash slut.
4. Jho or Britney Spears
5. Probably your mom.
6. A gay man who has many boyfriends, especially when they are married men.
Those guys in Brokeback Mountain were manranchers.
Damn Joseph your mom is such a manrancher.
Amber is a manrancher.
Bobby is also a manrancher.
Britney Spears has been with so many dudes she can be considered a manrancher.