Definitions by on_a_boat

phf 

Potentially-Hot-Fatty.

A very obese person who has the potential to look good after major weight loss. Most commonly seen on the NBC show "The Biggest Loser".

Jill: Wow! Mike Morelli looked great at the Biggest Loser Season Finale! I never would have guessed it before he lost the 200lbs.

Sarah: Really? I knew he was a phf the second he stepped foot on the ranch.

phf by on_a_boat June 7, 2009