until the cows come home

until the cows come home

for a very long time We could talk about this problem until the cows come home, but it wouldn't solve anything.

See also: come, cow, home, until

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until the cows come home (spoken) also till the cows come home

for a very long time You can diet until the cows come home, and you still won't be a size 4.

See also: come, cow, home, until