1. Someone whose talk is trivial drivel
   "The driveler continued to ramble on, much to the annoyance of his colleagues";
   - driveller, jabberer [informal]
    
2. A person who dribbles
   "that baby is a driveler; he needs a bib";
   - dribbler, driveller, slobberer, drooler [informal]

Derived forms: drivelers

Type of: actor, doer, speaker, talker, utterer, verbaliser [Brit], verbalizer, worker