senseless gabbler
1driveller — n. [Written also Driveler.] 1. Slaverer, drooler. 2. Dotard, idiot, simpleton, fool, imbecile, twattler, senseless gabbler …
2gibble-gabble — gibble gabbler, n. /gib euhl gab euhl/, n., v., gibble gabbled, gibble gabbling. n. 1. senseless chatter. v.i. 2. to engage in gibble gabble. [1590 1600; gradational compound from GABBLE] * * * …