1833 J. Kennedy 198 Ye'll maybe think that I'm a wee thocht raucle-tongued, that is, a kenning loud, and barefaced in my way.
1870 J. Nicholson 46 Baith canker'd auld carlie, an' raucle-tongued jaudie.
1908 J. Lumsden 25 Tho' rauckled [sic] -tongued an' leein'-mou'd ye be.
1981 2 i. 6 Bit ye will threip it is raucle-tongued.