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1.
MG
A British motoring company, now run by BMW (And merged with another comapny, Rover.) It's 50's and 60's heyday saw it dominate the world sportscar market, along with the Jaguar XK120, prompting the United States to start making sportcars, which GM did with the corvette.
The MG TF, Midget, ZF etc.
by Kung-Fu Jesus May 03, 2004
88 42
 
2.
MG
A total Studgod, masterful in every way. Great King and Ruler, loved by women and adored by children, envied by men for being so awesome and wealthy and having a big unit and balls of steel.

I hope when I grow up I can be a MG.

They all bowed down to his great MGness and kissed his butt.

The baseball star was a real MG.

The women dream of being with MG.

The football player was trying to become a MG.
by bigbhtuan October 06, 2007
50 15
 
3.
mg
Milligrams; an abbreviation used to describe amount/weight.
10 mg of acid
by JustAcceptIt18 March 03, 2004
54 27
 
4.
MG
'Machine gun.' Precedes the number of certain weapon names.
That soldier used an MG42.
by Nicolai February 15, 2004
54 28
 
5.
MG
abbreviation for morning glory; Morning glory means that you wake up with such a strong erection you have to walk in a slouched way.
When i have MG i tend to try avoid my family
by tory botra May 07, 2013
6 1
 
6.
MG
Girl nick name

She's strong has lots of friends and is caring she will always be there for her best friends and will never let them fall she is easy to love but easy to hate she hates people who thinks their perfect and loves people who don't care about looking good she falls in love easy but doesn't let go
She so sweet and caring who is she?
Oh that's mg
by Dat gurRrrl December 06, 2012
6 1
 
7.
MG
Abbreviation of Mad Gatherings.

See Mad Gatherings
Dude, I can't wait for the next MG!
by JKybett July 11, 2010
6 3