Top definition
used to describe a party or other social occasion inhabited by a large amount of flat/small-chested chicks. In other words, a major letdown.
Dude, you know that rager at Cody's house last night? Flat City all the way. I almost regret going.
by M_88 December 04, 2011
Get the mug
Get a flat city mug for your sister-in-law Sarah.