persnicketous 

Persnicketous is the noun form of the adjective persnickety. Essentially, it describes all of the small details to which people, particularly those with OCD (Obsessive Compulsive Disorder) attend. The noun has the same form for both singular and plural uses.

"OMG my friend Jessica was working doing her AP Chem practice problems, and still wrote out all of the units and everything! The teacher is not even going to check it!"

"Dang, she must love to focus on the persnicketous."

persnicketous by mataxu March 5, 2014

Persnicketist 

Someone who has perfected the art of being persnickety.

The boy in the office was such a persnicketist.

Persnicketist by Queen Kmack August 15, 2007

persnicketes 

Maybe, leaning towards yes.

"Are you going to do my mom tonight?"
"Persnicketes. I think I have a clarinet lesson."

persnicketes by Jadl17 March 6, 2007