The meaning of the Acronym XPOP is...

XPOP is

• X-axis Perpendicular to Orbital Plane

More Meanings For XPOP:

• X is Perpendicular to Orbit Plane
• X-axis Perpendicular to Orbital Plane
• Xtreme Paintball Of Palestine

XPOP is also in:

• NASA
• Physics
• Sports