The meaning of the Acronym PJ is...

PJ is

• Poor Joke
• Premature Jaculation
• Practical Joker
• Pathetic Joke
• Private Joke
• Personal Joke
• Petty Jerk

More Meanings For PJ:

• Pointer Justification
• Bitmap graphics (HP PaintJet PCL graphics file)
• CA-SuperProject Project file
• Pure Java
• Persistent Java
• Poor Joke
• Premature Jaculation
• Practical Joker
• Pathetic Joke
• Private Joke
• Personal Joke
• Petty Jerk
• Pretty Jewel
• Prize Jerk
• Pajamas

PJ is also in:

• Adults
• Assembly
• Chat
• Clothes
• File Extensions
• Geology
• Software