mp2 

1. A shortlived music encoding standard that preceded mp3's
2. Acronym for m p 2

Sheesh this mp2 player is worthless!!

mp2 by tyson January 29, 2003

MP2E 

Metroid Prime 2: Echoes

Videogame.

Acronym.

Duh.

The multiplayer in MP2E sucks.

MP2E by The All-Knower December 28, 2004