The meaning of the word GravyKing is someone who sits on the computer or xbox all day and faps, he has no real friends except one, He is a cool friend but is a lump on a log! One of the most boring people i have every gotten the opportunity to speak with.
Hey bobby do you see that fat man over there? (Bobby) No he isnt a fat man thats just a GravyKing, They always look like that, Boring, lazy, xbox prone, and hungry. (Jimmy) Oh ok he kinda looks scary! Lets get out of here!