Dumsistency 

The sense or action of finding out your argument is wrong or invalid, but sticking with it because you've already made such a big deal about it.

The politician saw the evidence clear as day, but kept going because of their dumsistency.

Dumsistency by shutupandsmile July 21, 2013

cumsistency 

A word to describe a fluid that has a semen-like thickness.

That protein shake you made sure does has a certain cumsistency.

cumsistency by Q-City Wordsmith May 14, 2013