s. w. dial. Also washamouth. [f. WASH v. Cf. G. waschmaul of the same meaning.] One who blabs out everything; a babbler.
1746. Exmoor Scolding, 138. Hold thy Popping, ya gurt Washamouth.
1891. ‘Q.’ (Quiller-Couch), Noughts & Crosses, iii. 20. Parson Morth wanted to know if he couldn’t let his cottage to an invalid lady and her sister without consulting every wash-mouth in the parish.
