When someone focuses on random, unreasonable problems, which consequently gets in the way of happiness for everyone involved.
She is so fucking petty. It upsets me that she cares about that crap, and as a result, that I have to do deal with that crap!
by Ereck Flowers November 12, 2018
Get the pettymug. an act of being a sandy infested vagina. one, who backs out of most obligations and agreements. also considered a "weakbody", or one who's body falls into the category of weak and/or obscure.
Bob- "Hey buddy! You wanna crunch it?"
Nate- "Sorry bromosexual, I gotta go buy lots of food, and save money, so I can have a nice wedding. And I cant go drinking with yall. I spend to much money."
Bob- "Awwww, dude come on. Don't pull a petty!"
Nate- "psht, psht, psht, psht...."
Bob- "You are such a petty"
Nate- "Sorry bromosexual, I gotta go buy lots of food, and save money, so I can have a nice wedding. And I cant go drinking with yall. I spend to much money."
Bob- "Awwww, dude come on. Don't pull a petty!"
Nate- "psht, psht, psht, psht...."
Bob- "You are such a petty"
by cajunass November 22, 2011
Get the pettymug. 
You are so petty
by allohio170 September 16, 2016
Get the pettymug.