During the 19th and 20th centuries, small monkeys cast from the alloy brass were very common tourist souvenirs from China and Japan.
[2][3] Michael Quinion, advisor to The Oxford English Dictionary and author of the website World Wide Words, writes, "it's more than likely the term came from them".
[5] The "brass monkey" is the nickname of the house flag of the Cunard Line, adopted in 1878, a lion rampant or on a field gules holding a globe.
[citation needed] In 1986, the hip hop band the Beastie Boys released a single called "Brass Monkey" from their album Licensed to Ill, although the song's lyrics are focused on the cocktail of the same name.
[14]It is often stated that the phrase originated from the use of a brass tray, called a "monkey", to hold cannonballs on warships in the 16th to 18th centuries.