Thuther

Thuther (verb) – To further explain something after an initial explanation; to clarify or elaborate in a way that builds upon what was already said. A playful blend of thus and further.

"Okay, I get the basic idea, but can you thuther a little more?"

"She gave a great summary, and then really thuthered during the Q&A."

"Let me just thuther that point so it makes more sense."