The term "flat out" means: completely, definitely or clearly.
I am flat out broke.
She is flat out gorgeous!
He is a flat out geek.
by Cheryl_B April 03, 2009
Get a Flat Out mug for your Aunt Beatrix.
Australian slang term for being extremely busy.

Derives from the phrase 'flat out, like a lizard drinking'.
I'm buggered, mate; I've been flat out from dawn til dusk.

I can't take on another project, I'm flat out.

by zezebelle April 05, 2009
Get a Flat Out mug for your barber Beatrix.
A young man or woman who is dressed nicely and expensively.
I saw Big Flock today and he was flat out with his denim killers and gucci shirt.
by call me ave December 27, 2015
Get a Flat Out mug for your brother-in-law Manley.
Rebecca says I really like your red shirt. Theresa says flat out. Rebecca says: straight up!
by T June 11, 2004
Get a Flat Out mug for your cat Helena.
Colin McRae "if in doubt flat out"
if you are not sure what is after next corner, all you have to do is put your feet on acceleration to the floor ... flat out
by wrx April 16, 2009
Get a flat out mug for your mom Nathalie.
The extreme or extreme lack of something.
person 1: You going to the game tonight?
person 2: No, I'm flat out of steam.

guy 1: Did hear that chick fart?
guy 2: Yea, and now shes flat out gone.
guy 1: <sniff> <sniff>
by hashref April 03, 2009
Get a flat out mug for your fish Jovana.