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1.
A person who thinks they are slick and tough but really have paper thin balls.
Me: Did you see the way Andrew was trying to push around Erin?

Nick: Yeah I did that kid has paper balls. Let's light 'em on fire.
by Theo Leseg June 05, 2010
 
2.
Any game where the only required equipment is a balled-up piece of paper.
Me: Man, when I was little we was so poor we used to play this game called 'paperball.'

You: Paperball? what the fuck is that?

Me: Take a piece of paper, ball that motherfucker up, and play with it.
by dreguan March 08, 2010