Drinking down a forty ounce alcoholic beverage to a desired level (typically the bottom of the cone), then topping off your forty with Mad Dog 20/20. The same concept as a brass monkey, but a lot more disgusting.

An aged but well maintained car, generally from the 1980s, that has been bought cheaply and lovingly restored to its former glory. Rusty Monkeys are typically bought cheaply (for less than £500) and restored to take part in charitable events, races, meetings or just for the fun of it.

While in the act of receiving a blow job, the man sharts in the females face. Spray poo might be involved