Question

AmE, INFORMAL: until the last; until very late (use "cow")

Accepted Answer

We were having so much fun that we decided to stay at school until the cows came home. | Where've you been? Who said you could stay out till the cows come home?

Front	AmE, INFORMAL: until the last; until very late (use "cow")
Back	We were having so much fun that we decided to stay at school until the cows came home. \| Where've you been? Who said you could stay out till the cows come home?

Stay Cows Ame Informal Late Fun Decided School