In tennis, 'Quiet please' is a soft-spoken polite request to chattering/gossiping fans. Mix the livelier world of football and the proverbial sex tourism destination, however, and you get more potent results:

http://thestar.com.my/news/story.asp?file=...427&sec=apworld

A gunman shot and killed two soccer fans at the beach resort of Pattaya, Thailand after complaining they were cheering too loud during a broadcast of Italy's World Cup opener against Ghana