you give someone a brass monkey when your hands are cold from either dipping them in ice water or holding a cold beer and then cup their genitalia in your freezing palms.
i totally snuck up behind tom and gave him a brass monkey after holding that cold one all night
by luckyfemur May 18, 2009
old naval term, brass monkey is for the canon ball holders.
freezing the ball of the brass monkey
by Anonymous September 26, 2003
A nightclub located in Narre Warren frequented by teenyboppers and old afghanis. Highest bogan concentration of the south eastern suburbs (melbourne). Adam 12 play there!
hey dazza, gazza, cheryl, lets go yo the monkey to listen to some nickelback and own some wild turkeys!!!
by leonie April 03, 2003
A metaphorical thermometer. See witch's tit.
"It's cold enough to freeze the balls off a brass money!"
by octopod May 29, 2004
A creature whose ass is continually at the upper limit of extreme cold.
It's colder than a brass monkey's ass.
by Bumkicker Slade May 11, 2005