Arrah, bloody end to the paw he’d paw and Alf trying to keep him from tumbling off the bloody stool atop of the bloody old dog and he talking all kinds of drivel about training by kindness and thoroughbred dog and intelligent dog: give you the bloody pip.
There are no more uses of "thoroughbred" in the book.
Show samples from other sources
A feral hog, some hornets, and a prodigy led me through the woods so that I might stumble upon the first girl I ever kissed riding "TOC like he’s a thoroughbred next to the grave of an Austro-Hungarian Archduke.
John Green -- An Abundance of Katherines
There would be burnished, stick-legged Thoroughbreds, their jockeys in billowing bright silks, careering past.