Wiktionary
mad cow disease
n. (context colloquial English) bovine spongiform encephalopathy
WordNet
mad cow disease
n. a fatal disease of cattle that affects the central nervous system; causes staggering and agitation [syn: bovine spongiform encephalitis, BSE]
Usage examples of "mad cow disease".
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?
She said, 'It's like being told you've got mad cow disease or brain parasites.