POP
POP can refer to the Post Office Protocol used for email retrieval, the classic video game series Prince of Persia, marketing terms like point of purchase, or the concepts of proof of purchase and publish or perish in academic writing.
Medical
Miscellaneous
Page On A Page
Peoples Online Publishing
Plenty Of Parking
Population One Pop
Peer Outreach Program
Pissy Or Pisstastic
Persistent Organic Pollutants
Personal Ozone Protection
The Peer Observation Program
Pay One Price
Pacific Ocean Perch
Point Of Purchase promotion
Publish or Perish
Pay Other People
Prototyping on Paper
Piece Of Paper
Proof Of Purchase
Community
Governmental
Performance Oriented Packaging
Program Operating Plan
Point Of Purpose
Power Of People
Problem Oriented Policing
Perpendicular-to-Orbit Plane
Polar Orbiting Platform
Preburner Oxidizer Pump
Preflight Operations Procedures
Prelaunch Operations Plan
Academic & Science
Parallel Ocean Program
Persistent Organic Pollutant
Probability Of Precipitation
Professor Of the Planet
Professor Ozone Patrol
Regional
Computing
Point Of Presence
Post Office Protocol
Pop-up menu object (dBASE Application Generator)
Pop a Word from the Stack
Performance Optimized Program
Pass On Packet
Positively Outstanding Programming
Messages index (PopMail)