a measurement, usually in inches or a standard smaller (such as centimeter or nanometer), in reference to the size of a male schlong
Yo, dude did you see Trick's 2.5? Mang that thing is fudgin small beast.
By Jorie
2.5
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.
The time period between mid-2007 and late 2009 when Web2.0 tatics, platforms and ideals were waning, but Web 3.0 had not yet matured or went mainstream.
Both Pandora and Muxtape were shut down in Aug. '08 by the government. A sad casualty of Web 2.5.
By Sibbie
2.5-0
A security guard. Derived from 5-0, slang term for a cop. Security guards carry about half the credibility and authority as a regular cop, hence the 2.5.
