(See the entry for chorisis in Websterâs Revised Unabridged Dictionary, G. & C. Merriam, 1913.)
This is a reference to the minor controversy that brewed among Monk fans over the introduction of the new theme song It's A Jungle Out There written and performed by Randy Newman in the second season of Monk.
The show made self-deprecating references to the theme music controversy in the episode Mr. Monk and the TV Star, where obsessed fan Marci Maven and Sharona both express distaste for the new theme music to a CSI parody called Crime Lab: SF.