The meaning of the Acronym PK is...

PK is

• Perrin Kaplan, Vice-President of Nintendo
• Pierre Karsmakers, bike racer
• Phil Katz, computer programmer, inventor of PKWare
• Paul Kocher
• Paul Kelly

More Meanings For PK:

• TeX DVI driver PacKed bitmap font file
• Property Key
• Public Key
• Primary Key
• Preacher's Kid
• Pakistan
• Covalent Disassociation Constant
• Potato Klan
• Psycho Kinesis
• Pikachu Killer
• Pig Kisser
• Pretty Krappy
• Phrozen Keep
• Prozen Knights
• Psycho Kinetic

PK is also in:

• Chat
• Chemistry
• Domain Names
• File Extensions
• Funnies
• General
• Hobbies
• Security