Babble On is a phrase that is used to describe someone who talks incessantly and without making much sense. The crossword solutions for this term are PRATE (5 letters), YAP (3 letters), PRIVATE (7 letters), RANT (4 letters), and TALKABLUESTREAK (15 letters). PRATE means to talk foolishly or in an idle manner, YAP means to bark or yelp, PRIVATE means not open to the public, RANT means to speak or shout at length in an angry or violent way, and TALKABLUESTREAK means to talk rapidly and continuously. All of these words can be used to describe someone who is Babble On-ing.