15
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
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16
when you punch a person in their breast implants so hard that they burst, thus giving their chest the appearance of a flat tire.
I accidentally elbowed her in the left tit and now she has got a flat tire
by jermlova March 03, 2011
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17
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
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18
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
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It does not matter how you do it. It's a Fecal Mustache.

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19
In poker, a hand that needs a jack to improve.
"If I don't get a jack on the river, my straight's gonna be a flat tire."
by Coell May 12, 2005
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Golden Shower Plush

He's warmer than you think.

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20
when a girl sits down and her stomach's rolls look like a flat tire
by Tin January 26, 2004
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21
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
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The vengeful act of crapping on a lover's chest while they sleep.

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