I read from coagulum to coapt.

That "bison" phrase in the fun holiday list was obviously a reference to "bicentennial" but in the moment I couldn't hear that because my eyes took over my brain.  It was so obvious! 

The word of the episode is "coalesce".

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Backwards Talking on YouTube:

https://www.youtube.com/playlist?list=PLmIujMwEDbgZUexyR90jaTEEVmAYcCzuq

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