A word to describe the distance between major intersections in a large city. The small blocks in between are not included when using this phrase.
The M can stand for Main, Major, or even Mega to describe the rough distance between two locations.
Person one: "How far is your hotel to the C.N. Tower?"
Person two: "Roughly 4 and a half M-Blocks"
a place in mahopac that is ghetto and is more ghetto than carmel which is filled with a bunch of crackers who think they are ghetto
cramel kid: yo this place is ghetto
other carmel kid: you think this place is ghetto then go to M-block and you will get a cap busted so far up your ass you'll be whistling out your pee whole
M-block kid: yeah NIGGA!!!