Meaning: The person who controls the game or sport made a high-pitched sound by blowing air out of a small device to bring the game or sport to a close.
Choice of Words: Referee is a person who controls a game or sport. Blew means to make a sound by blowing air out of your mouth. Whistle is a small device that makes a high-pitched sound when you blow into it. End means to bring something to a close.