a measurement, usually in inches or a standard smaller (such as centimeter or nanometer), in reference to the size of a male schlong
by louisville slugger March 31, 2003
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A mall security guard. They are not as good as cops, which are Five 0's. Since mall security guards aren't as inportant as normaly cops they are half of the Five 0.
by M1tch January 15, 2006
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by Anonymous December 23, 2002
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by Corries Heiffers June 11, 2007
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1. She drove so fast she got here in like 2.5! 2. I'll be back in 2.5, you won't even notice I'm gone.
by Caitie March 05, 2004
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by Knotfal JOe April 28, 2008
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by LillersAndMurrbethhhh January 26, 2011
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