look up any word, like blumpkin:
 
1.
a black nanny, especially one from the Caribbean islands
Tom, the CEO, recently hired a new blanny to care for his children while he and his wife are at work.
by nojoke718 August 12, 2009
 
2.
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
 
3.
"Hey have you been to Gigi's in lately?" "No man, last time I went it was full of blannies - I got scared and left."

"Dude, Derek is dating a blanny!"
by sloppydrc April 14, 2009