flat tire

the act of pulling your testical to the top of your sack, while holding in between your thumb and index finger the loose skin of your scrotum. Then pump your member and slowly release a testical of your choosing out into the loose skin giving the appearance of a tire being pumped up with air.
MUST HAVE A LOOSEY GOOSEY SCROTUM TO PERFORM THE FLAT TIRE. Otherwise injury and embarassment may occur.

My balls are loose, and it's time to pump my flat tire!

by taylor j. February 24, 2008

flat tire

a girl's boob that is smaller than the other one

"Do you think Lisa's flat tire is even an a-cup?"

by tracy99887 December 10, 2007

flat tire

Stepping on the back of someone's shoe so that they have to put it back on. When I moved to Los Angeles peaople were calling this a "wedgie," but that's plain wrong! A wedgie involves whitey-tidies and a display of upward force.

That bastard gave the blind guy a wedgie during a fire drill.

by Fred the nerd February 04, 2004

Flat tire

A girl with a flat ass

That girl has a flat tire

by Antistheoneandonly December 18, 2014

Flat Tire

Getting an elbow in the testicles during a pit stop gone wrong.

I was getting the best pit stop from this girl when she accidentally gave me a flat tire.

by TheMasterOfBates April 17, 2011

flat tire

Noun

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 12, 2009

Flat Tire

When you have a good buzz, then you eat food and the food kills your buzz completely.

"There I was a Billy's house for a BBQ. I had like 3 Oly tall boys and was feeling great...until I ate a fat burger...completely lost my buzz...totally flat tired my self"

by Johnny Boy Kz August 10, 2014