Okay, this takes some explaining.
1. First of all, take the world 'homeboy' then old-peopleize it, and a middle-aged hippy wouldchange it slowly into home-cheese. So. Instead of saying 'home-cheese' we can now say 'gnome cheese'.
2. Cheese made by a gnome.
Will- "WuzzAAAAp GnomeCheese???"
Mrs. B- "William I AM YOUR TEACHER, FOR GOD'S SAKE"
Will- "I know, I was talkin' to Nick. He's my gnomecheese."
Nick- (Cracking up, falls out of chair with laughter)