d.q. n. In phrases on the d.q. (adv.) [abbr. dead quiet] (US) quietly, surreptitiously, privately.Show quotations1890–1904Farmer & Henley Sl. and Its Analogues.
on the d.q. (adv.) [abbr. dead quiet] (US) quietly, surreptitiously, privately.Show quotations1890–1904Farmer & Henley Sl. and Its Analogues.
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