1 definition by tenth dimension

a person who is so unaware of their surroundings they cannot even function in the world. These people are jokes in life and have no sense of style, coolness or anything of the sort.
Joe: Hey man do u wanna come over and read or something.

Kyle: Bro, are you kidding me, ur a complete flatlander
by tenth dimension March 23, 2009
Get the flatlander mug.