Farmer’s Slang & Its Analogues. 1890–1909, rev. 2022.
When
SAY WHEN! phr. (common).—That is, ‘Say when I shall stop’: the dovetail reply is ‘Bob!’
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1889. Modern Society, 6 June. ‘SAY WHEN,’ said Bonko, taking up a flagon of whiskey and commencing to pour out the spirit into my glass. ‘BOB!’ replied I.
