What does Arsenal's slogan COYG mean?

Arsenal's slogan COYG is short for come on you Gunner, which means Go, you Gunner!

Gunner means Gunner, which is the nickname of Arsenal. The origin of this nickname is related to the history of the team. 1886, a group of workers from London, woolwich and Arsenal decided to form their own football team and participate in various competitions, which was the predecessor of Arsenal Club. Because the origin of this team is related to the arsenal and guns and weapons, the nickname "gunner" was called away.

Arsenal Football Club is located in the northwest of London, England, and was founded in 1886. This is an English Premier League football club team, with its headquarters in holloway, London. Arsenal is one of the biggest clubs in the world. It won the top league title 13 times and the FA Cup title 12 times. It is the longest-serving club in the top football league in England.