an adjective used to describe a girl with no ass or tits.
by pascal July 23, 2004
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Used to describe soda that has been left out too long or is old, thus losing its carbon-doxide infused goodness that we like to call fizz. It is not good. It makes people sad.

flat's best friend and synonym is warm.
You asshole! This whole 12-pack is flat!
by Dre March 04, 2005
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Runflat tires; tires that will never ever pop. THey will let u keep on rollin
if you ridin' rims u gotta ride flats
by PsychoticIdiot May 04, 2006
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"She has a flat rack."
by x January 31, 2003
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Short on cash, running low on money, going broke.
"Loan me some money!"
"Sorry, but I'm flat tonight."
by Soma9 July 14, 2008
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Flats are neverflats with hardly any tire on dem mothafuckas cuz the rims is so damn big!!! If u ride on rims while u r runnin dem Flats dats what it is rite der!!! U gotta have like an inch of tire on dat mothafucka..So can be pushin some straight tight shit.. if u do this all da hoes will be on yo joc big tym.. Then u can have somethin in common wit Dem Franchize Boyz but dats as close as u gone get to dem boyz!!!
If ya ride rims ya gotta ride flats!!!
by Monsta May 16, 2006
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