Relatively new word that is used when one is first learning to type. Origin comes from an alternative spelling of the greeting "hey", with an extra "g" due to lack of typing experience.
Bro: dude are you still a virgin? cmon! hgeiasuhdfaksfdsahdsafl is so good, you need to try it!
Orb: Oh jee wiz chad, i dont know if im ready for hgeiasuhdfaksfdsahdsafl tho