of your concrete wall. By Bill Leonard. You can say a great deal in favor of cement block (or, if you prefer, concrete block) building. Itâs fairly fast, reasonably easy, particularly in small projects, and incredibly cheap if you are willing to scrounge a little and salvage the block.
MGW may refer to. 1  An abbreviation for Media gateway, a translation unit between disparate telecommunications networks. 2  The IATA airport code for Morgantown Municipal Airport. 3  maximum gross weight: the abbreviation m g w appears on road signs.
Top definition. NBW. Basically is the abbreviation of Naked Body Watcher, A person who likes to watch nudity in secret or in public....using any means such as wallpapers, blogs, videos, pictures...anything involving some naked people. NBW's also have a tendency to peek at peoples posteriors.