subs. phr. (old colloquial).A plain speaker; one who does not mince matters.
1650. FULLER, A Pisgah Sight of Palestine, II. iv. 3. Caleb and Joshua, the only two TELL-TRUTHS, endeavoured to undeceive and encourage the people.
d. 1667. J. TAYLOR, Works (1835), II. 99. The rudeness of a Macedonian TELL-TROTH is no apparent calamity.
d. 1704. T. BROWN, Works, iii. 20. A great many bold TELL-TRUTHS are gone before you.