1 definition by Tonksmum

Top Definition
A Blanny is a fanny that is black in colour. Extremely rare on organisms which are in fact white- yet have a black fanny.
"Hey man, have you seen Tonks' Blanny today? It's so black in contrast to her white skin. Weird."
by Tonksmum June 19, 2013

Mug icon
Buy a Blanny mug!