Mcg

[Dave Paprocki]

MCG is a Murda Cap Gangster, which is some one from the murder capital of the world Gary, Indiana

[Zipporah Schumaker]

A national unit of measurement of area or volume used in Australia based upon the size or volume of the national sporting coliseum, the Melbourne Cricket Ground. In terms of area, one (1) MCG is 17,720 square meters and 1,574,000 cubic meters in volume.

[Sarah]

Microgram(s).

[Sonia]

abbreviation for microgram: one millionth (1/1,000,000) of a gram