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1.
An army in the tabletop game warhammer 40,000 that specializes in throwing wave after wave of ill equipped men at the enemy, supported (hopefully) by heavy tanks.
Wow those chaos marines sure are scary, lucky we imperial guard have our trusty flashlights...i mean lasguns
by Inquisition November 30, 2006
 
2.
An army in the Warhammer 40K Tabletop game.
Some players prefer them because of their close representation of the human race.

They're infamous for their lousy weapons, aim and armor.
They often arrive in hundreds on the battlefield, and it's very common for them to be shred to pieces by whatever gets in their way.

They're loyal to the emperor and come from many diverse planets. The planet they come from often defines their look. Some example regiments are Cadians, Catachan and the Valhallans.
Your accuracy is even worse than that of the avarage imperial guard soldier.

The Imperial Guard is as close to cannon fodder as you can get.
by MathijsBuster May 07, 2006
 
3.
Meat shield for the Space Marines.
Wow, the Imperial Guard suck ass.
by Munchie January 24, 2005