heffa Share definition Flag A large girl/person who actions and saying are ment to be attractive or cutesy but most definately not. Yo that 200 pound chick has an icon of a baby platypus for her screen name, she is such a heffa. heffa by danibee May 28, 2006 0 0 Get merch Get the heffa mug. Buy Now — $32.95 See more merch