2. As slang, a reference to a woman or man who has all the traits that one would desire in a romantic or sexual partner.
3. Less frequently, a reference to a product, like a car, computer program, or almost any other product that has all the desired traits of that given product.
Frequently used as "the complete package".
2. Sarah is the complete package; she's intelligent, with a beautiful face, sexy body, and a great personality.
3. Michael's new Mercedes is endowed with a powerful engine, a high crash-test rating, amazing handling, and a luxurious interior. His car is the complete package.