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 borty May 07, 2013
Top Definition
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
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
Milligrams; an abbreviation used to describe amount/weight.
10 mg of acid
by JustAcceptIt18 March 03, 2004
'Machine gun.' Precedes the number of certain weapon names.
That soldier used an MG42.
by Nicolai February 15, 2004
Abbreviation of Mad Gatherings.

See Mad Gatherings
Dude, I can't wait for the next MG!
by JKybett July 11, 2010
Modern gangsta
OGs are chumps. An MG has got it on lock.
by lil' pasty December 13, 2014

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