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.

See also rent-a-cop, mall security.

"Bobby and I were throwing mustard off of the balcony, then some 2.5-0 come by and threatens to calls the cops. Lame"

by JakeStar November 3, 2005

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.

O, crap man run its the 2.5!

by M1tch January 16, 2006

Base 2.5

It refers to a point in the base system between 2nd base and 3rd base. It is dry-humping. It has always seemed more than simple groping but it is less than the handjobs/blowjobs of 3rd base. Dry-humping now has a definite place on the base system.

guy1: hey, y'know the base system?
guy2: yeah?
guy1: wher does dry-humping go?
guy2: base 2.5
guy1: ok cool thats good to know
guy3: you guys are fucking retarded

by uberjai July 27, 2012

2.5

private security guard, rent-a-cop; half of a 5-0 (see definition)

You cant arrest me. You aint the real police. You just a 2.5 !!

by Anonymous December 23, 2002

2.5

An undefined period of time as is determined by C-200.

Morgan, we're going to chow.
Ok, be there in 2.5!

by Corries Heiffers July 30, 2007

2.5

1. measurement of anything quick or short. 2. half of a "take five", to return quickly.

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 5, 2004

5 on 2

Originating in Wrestling teams where some dirty wrestlers would grab your two nuts with their 5 fingers, creating the shortened 5 on 2

5 on 2 = no fun for anybody

by hawk April 2, 2005