ˈtȯkəˌthän noun
( -s )
Etymology: talk (I) + -athon (as in marathon )
: a protracted session of public discussion or speech-making: as
a. : filibuster 2a
had not yet decided whether they would conduct a talkathon against the bill — Wall Street Journal
b. : a campaigning device in which a candidate answers telephoned queries on radio or television for a period of many hours
waged one of the most vigorous campaigns … through his radio talkathons — Graham Hovey