1 definition by Imaginablemedium

Top Definition
An Ultimate frisbee player. The "ball" in this case is a 175 gram Discraft ultrastar.
I am going out on a date tonight with a gal who's a flatballer. (or) That flat baller can boat race.
by Imaginablemedium February 03, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.