until the cows come home

Meaning

for a very long time

Examples

1. 1You can argue until the cows come home, but I'm not changing my mind.
2. 2Those two could talk about football until the cows come home.
3. 3We could discuss the paint colour until the cows come home, so let's just choose one.
4. 4You can wait until the cows come home; that shop never answers its phone.
5. 5Do you want to practise that song until the cows come home, or can we stop now?

Grammar

A fixed phrase: nothing changes. It usually ends the clause, after a verb such as talk, wait or argue. till can replace until.