look up any word, like half chub:
 
1.
The level above the status G or Gangsta. This level of 'cool' is only attainable by a select few and represent the epitome of Bad Assery, if you will.
Ken: Yo! That dude is so G!

Steve: I know! *Swoon*

Kat: Yeah, yeah! But, that gal over there is Hard G.

Ken, Steve and Kat: *Swooooooooon*
by F.Prima February 11, 2011
 
2.
the letter g in a word, if pronounced as a voiced velar stop.
Hard g appears in the following words: garlic, gum, goose. The following are not examples of hard g: ginger, germ, gerbil.
by Tom November 16, 2003