1) Noun: The perfect combination of smoothness and style in a person. Often portrayed in movies such as The Matrix. When someone is called “a” PKG, normally “a” is omitted and the person is simply PKG.
2) Noun: The highest pimp-status, gained after 500 or more sex partners.
0-100: G
100-500: KG
500-undefined: PKG
3) Adjective: When the actions of a person are notably agreeable to his friends.
I guess Keanu Reeves was PKG in The Matrix but Christian Bale took him to school in Equilibrium.