Situance 

Noun - A specific moment in time at a specific place.

Combination of and synonomous with the words "situation" and "instance"

At this very situance...

This isn't an adequate situance to talk about that...

Situance by GrammarNazi31 April 29, 2011

sittance 

the position of the legs while sitting, especially relating to the position while in the bathroom stall

senator larry craig mistakenly said he had a wide stance, when in fact, his wide sittance declared his innocence.

sittance by p jason l August 11, 2008