Those years on the golf course as a caddie, boy, those people were something. They were vulgar, some were alcoholics, racist, they were very difficult people to deal with. A lot of them didn't have a sense of humor.

This quote is about the people caddies encountered while working on a golf course. The speaker is explaining that these people were “vulgar,” meaning rude, and some were addicted to alcohol. They were also racist, which means they held prejudiced views against people of other races or ethnic groups. Additionally, these people were hard to get along with because they lacked a sense of humor, meaning they were not fun to be around.