I actually interpreted the comment as a reference to the Hippies of the 80's, who had dreads and reeked of patouli and Weed..
I never read Racial slur into it.... and I too agree her reaction was a bit extreme, but I think there was an underlying jealously of Giuliana, who was obviously a level above her on the show.... Whatever, if girl dont need a paycheck, good luck to her....
Grandma is throwing her hat in the ring
I Think Grandma Sucky Might just be the Ticket ?