What does it mean when your cat throws up everyday?

No cat, indoor or out door, should throw up everyday. Hairballs are normal but not vomiting everyday. Something is wrong with kitty if this is happening, or your cat is getting the wrong food. They can get severe dehydration, malnourished, fevers,

... A long list of things. If kitty is throwing up everyday, get him/her to the vet!