1) A device that literally makes money, such as a coin press or a bill press.
2) A device or anatomical region that figuratively makes money, such as a "booty", "nice set of legs" or in rare cases a "brain." Body parts that come in pairs are generally referred to in the plural.
3) A device that indirectly makes money, such as a computer or guitar.
a money maker is on a girl, both of her goods. her breasts, and her ass. even though the song " money maker" specifically suggests it's only a girls ass, it's also a girls breasts.
damn look at datgirls money maker. (just depending on what she's shakin)