Wiktionary
mad cow
n. 1 (context uncountable by ellipsis English) mad cow disease; bovine spongiform encephalopathy. 2 (context countable English) A cow afflicted with mad cow disease.
Wikipedia
Mad cow (disambiguation)
Mad cow or variant madcow, may refer to:
Usage examples of "mad cow".
Then, afraid to go away and leave the mad cow-punchers so close to town, he ordered them to drive their herd farther east, nearer to Dent's store, and never to return to San Felippe unless they needed the padre.
If any cows in this facility should happen to come down with mad cow disease, we will be able to track down the source.
Do you know what is thought to have caused mad cow disease in England?
The snow lurker twisted away, but she pressed on, twisting as if carving a steak from a mad cow.