Trash-Monkey means: Iron Cobra 40 oz. + Sparks Energy Drink = Trash Monkey Drink a combination of alcohol and other drinks. The drink was originally based upon a brass monkey, but it has since been improved to be more enjoyable. Buy a 40 oz. First, purchase forty ounces of Iron Cobra or other malt liquor. Next, buy a Sparks energy drink. Open the 40 and let it sit until the liquid is gone. Next, take out your Sparks. At an angle, dump all the Sparks contents into your 40. Once all the Sparks have made it to the 40, turn the cap and drink. (in Community Dictionary, added by Soren Velazquez)