1cow 
/ˈkaʊ/ noun
plural cows /ˈkaʊ/ noun [count] 1 a : a large animal that is raised by people for milk or meat usually on a farm
▪ horses, chickens, and cows ; especially : the adult female of this animal
▪ The cows need to be milked twice a day. — compare bull, calf
b : an adult female of some other large animals (such as elephants, whales, and seals) 2 chiefly Brit slang, offensive : a woman who is stupid or annoying
▪ You stupid cow!
▪ horses, chickens, and cows ; especially : the adult female of this animal
▪ The cows need to be milked twice a day. — compare bull, calf
b : an adult female of some other large animals (such as elephants, whales, and seals)
▪ You stupid cow!
have a cow
slang : to become very angry, upset, etc.
▪ Don't have a cow! I said I'd take care of the problem and I will.
▪ Don't have a cow! I said I'd take care of the problem and I will.
holy cow
informal — used as an interjection to express surprise or excitement ▪ Holy cow! That car almost ran into us!
till/until the cows come home
informal : for a very long time
▪ They'll be arguing about this till the cows come home.
▪ They'll be arguing about this till the cows come home.
— see also cash cow, sacred cow
