Noun
(uncountable, by ellipsis) Mad cow disease; bovine spongiform encephalopathy.
(countable) A cow afflicted with mad cow disease.
Used other than figuratively or idiomatically: see mad, cow.
Source: en.wiktionary.orgThe only thing they (the English) have ever done for European agriculture is mad cow disease. Jacques Chirac
There's no way I'll back down, like a goddamn coward. I can't, how would I look? As a man bowing to his knees? Like the mad cow disease, let somebody lash out at me, and not lash back out at him. Eminem
Mad cow disease, monkey pox, bird flu, mosquito viruses - did the animal kingdom have a meeting? "Who here is tired of being food and clothing? ... Cows, get on it... MOO!" Christopher Titus
If other cows with mad cow disease were slaughtered, we wouldn't know where to begin looking for people who might have been affected, ... With a comprehensive tracking system, we would. Chuck Schumer
If so, give it its numerical designation (e.g. H1N1), or reference the animal in which we think it started (e.g. Swine Flu, or Mad Cow Disease). Source: Internet