A ritzy Establishment spin on the word 'inbred'; most commonly used to describe dogs, but can also apply to cats or Appalachian yokels
"Me an' my sister-cousin done made us some purebred younguns!"
by Petus October 30, 2005
A man/women who's nationality is 100%
I am an Italian purebred!
by Tommyboy17 May 19, 2015