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I've been looking for your answer, the closest I've found is: https://tvtropes.org/pmwiki/pmwiki.php/Main/LongSpeechTeaTime https://tvtropes.org/pmwiki/pmwiki.php/Main/RamblingOldManMonologue I don't think we have t on here but I could be wrong!
I'll check Long Speech Tea Time seems the closest, but I might
Also you only need to put the wiki word in, not the entire link.
Thanks for looking.
My latest Trope page: Shapeshifting Failure
Any tropes on being bored to sleep? That is a character falls asleep because something (like along winded explanation)is so boring.