He wrote it down and the next cow came in.

Why didn't you say your cow wasn't coming into season?

The cows are coming home, and he's going to have to account for them.

They could sit around talking about this until the cows came home, but it wouldn't help.

Agriculture Department officials said they did not yet know which state the cow came from.

We could argue about that until the cows come home.

So you help yourself, look till the cows come home.

"They can march until the cows come home," he said.

You can tell him no until the cows come home and go back out again.

Oh, I'll talk about my husband until the cows come home.