It is a name that mostly girls call other girls just to slag them off. But it doesn't have a proper meaning
girl 1 : ah go away ya big fanny plucker
A person that is so mad they would drop kick another person in the fanny
You really messed her up you Fanny whacker
Fanny Whacker refers to one's parents. If you grew up before spanking your children was band. Your parents were called fanny whackers
Hey Mark quit doing that, here comes the fanny-whackers!
I'm going over to fannis to help her grow some weed, and then smoke a little.
Her vagina is huge, thats why they call her bucket fanny
a small surface area usually containing excess fat above the clitoral hood commonly referred to as the ‘fanny pouch’
‘Yo g i was out this afternoon and i saw a woman (probably called karen) and she had a ginormous fanny pouch’