Could also mean a type of shaggy haircut that's popular with students and road protesters.
2. "I would climb down this tree but my mop is caught in the branches."
Their album credits include:
To The Death 1992
Firing Squad 1995
First Family 4 Life 1998
Marxmen Cinema 2004, Shelved
Mash Out Posse 2005
Salutes the Saint Marxmen 2005
And various other mixtape CD's and albums. A lot of their mixtapes can be found on the J-Love and DJ Clue collections.
2. Lil Fame - "Niggaz thought M.O.P. stood for mop and shit"
Meanings: How's it mate, let's go chug a few beers.