1. When you are trying to score with a girl and fail. Your "wheel" was unsuccessful and thus you got a flat tire

2. When you are notoriously bad at picking up women you have flat tires
1. Johnny was trying to nail that broad but he got a flat tire and went home and watched Conan

2. Johnny struck out again? That guy has flat tires!
by ScampyJoe April 21, 2006

Slang for 'half flaccid penis' or 'incredibly small and useless penis'. This is said to originated with the Tourette's Guy.
You Have a flat tire.
by misterissues June 11, 2009
Anything useless, pointless, or something making your job more complicated than it needs to be.
This chink on our basketball team is such a flat tire.
by Drew559 August 09, 2010
A sex act where the male intentionally loses his erection.
I totally gave this chick a flat tire last night. She was pissed, but at least it wasn't a blow out.
by Josh Hug December 04, 2009
When a person walks with a limp due to having a shorter leg than the other leg.
That dude is a flat tire he walks like a fucking dumbass!!
by EdwardBerry November 25, 2007
A person who is boring, a downer.
His date was such a flat tire that he snuck out the back door and ditched her at the restaurant.
by Libertine October 01, 2005
Hand in Texas Hold'em, a jack-four. Derived from:

Q: What's a jack for?
A: A flat tire
I have a really crappy hand that I shouldn't be playing, but it has a clever name. I love flat tires.
by bs February 14, 2005
when a girl sits down and her stomach's rolls look like a flat tire
damn look at that fat bitch's flat tire!
by Tin January 26, 2004

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