talkathon
/ˈtɔkəˌθɑn/
noun
- A very long discussion or speech, especially one that seems to go on for too long.
- I skipped the talkathon about office policies because I had work to do.
- The city council meeting turned into a talkathon that lasted past midnight.
- The senator's talkathon on the floor delayed the vote for hours.