Oneversation

(n.)
  1. a conversation carried on without the participation or acknowledgment of the audience.
  2. A premeditated conversation in one's mind in which one plans his own speech and imagines the audience's response.

Sounds like: won-ver-say-shun

also: Oneversate (v.) the act of having a oneversation

-Abby Bessman, with the support of Dia Zaferopulos and this guy Abby used to date named Chris