Wiktionary
valley boy
n. 1 (context US slang English) A young gay man who listens to 70's genre music 2 (context US slang English) A young man who lives in the "Valley", specifically the http://en.wikipedia.org/wiki/San%20Fernando%20Valley. 3 (context UK Wales English) someone from the http://en.wikipedia.org/wiki/South%20Wales%20Valleys