say when
Verb
Meaning
say when (third-person singular simple present says when, present participle saying when, simple past and past participle said when)
(idiomatic) An imperative form used to request that the interlocutor indicate when one should stop doing something, esp. pouring a drink, because one has reached a sufficient amount.
Say when! ― When! Thanks.
Examples
I shall have more to say when I am dead.
They say when you meet the love of your life, time stops, and that's true. What they don't tell you is that when it starts again, it moves extra fast to catch up.
D'you call life a bad job? Never! We've had our ups and downs, we've had our struggles, we've always been poor, but it's been worth it, ay, worth it a hundred times I say when I look round at my children.
I wouldn't say when you've seen one Western you've seen the lot; but when you've seen the lot you get the feeling you've seen one.
What you say when you're drunk should have been thought about beforehand.
What shall I say when it is better to say nothing?