By Tony Maglio Perhaps Nicole Curtis should have hired a crisis PR team. Curtis, the HGTV host who was fired after video of her saying “fart n***er” while filming Rehab Addict leaked, joined Power 105.1’s The Breakfast Club on Tuesday to explain herself. It … didn’t go well. “What is a ‘fart n***er?'” host Charlamagne tha God asked at the top of the in-person interview. A fair question. “I have no idea. I have no idea,” Curtis said. “That isn’t anything that I ever said before, so I don’t have any idea.” “That is a word that I do not condone,” Curtis said. Curtis said she never heard the phrase “fart n***er” before it came out of her own mouth. Her explanation seems to be that she accidentally conflated “fart knocker” and “fart digger” into one. It is true that Curtis uses the nonsense phrase “fart knocker” on her show, I’ve heard it, though I can’t specifically recall her saying “fart digger.” Not that I’ve seen every episode of every show Curtis has done.…