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say when

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Say when.

Inf. Tell me when I have given you enough of something, usually a liquid. (Sometimes answered simply with When.) Tom (pouring milk into Fred's glass): Say when, Fred. Fred: When. John: Do you want some more juice? Mary: Yes. John: Okay. Say when.

See also: say

say when

to stop or end something Should it continue forever? When do you say when?

See also: say