Nitpicker; quibbler; trifler;
Being a person who argues about trivial things.
Never argue with a pettifogger because he will bore you with trivia.
The pettifogger wanted to argue about trivial things.
Petti - fogger
Petti (Reminds) Petty
Fogger (Reminds) Fog or unclear
You are petty and foggy talking is trivial.
Tonight, I will lock my doors and lucubrate for hours. What am I doing?
Cat Trivia e-book on Amazon by New Word A Day
(c) 2014 E. Carruthers
Studying. Lucubrate means to work or study at night.