MPA is an epic crew, who pull shit and break things. They have been known to "hit it, and quit it," and their tags of - mpa 6.9 - are quite commonly seen on public transit and buildings in downtown Vancouver. MPA has been compared to inferior crews such as MPS 6.0 and TFJC, but remain far greater, and more powerful.
MPA 6.9 is often shortend to just "MPA"
MPA can also be used as an adjective.
"woah man, you hit Trev? that is sooo MPA!"
"the shirt is tyedye AND has a siamese cat on it? fucking MPA"
"thats so sick" - "no, its soo MPA 6.9"
"MPA HITS IT AND QUITS IT, WE DONT STAY AND PLAY"