physco 

'Net speak for "psycho." Originated from 11-year-olds who couldn't be bothered to look in a dictionary.

OMG ur physco ex-gurlfrend jus called me up looking 4 u!!

physco by mcmackey November 7, 2007

physco 

a morons way of spelling psycho

random dude #1: my ex gf is a physco bitch!!

random dude #2: i think you mean "psycho" dude

physco by Dr Jester February 1, 2009

physco 

How not to spell 'psycho'

Dick 12: LOL HE WENT PHYSCO!
Dick 233242: No he didnt.

physco by Sometwat October 18, 2008

physco 

A physical company; the opposite of a Dot Com or a computer-based corporation.

the "We Sell Your Stuff on Ebay Store" from the movie 40 Year Old Virgin is a physco

physco by SMUmuch March 26, 2008

Physco 

A person with obnoxious outrages that happen randomly

Jessica is the pure definition of physco

Physco by scaredgirl July 6, 2012

physco 

somebody who is wacky as hell. see crazy. yes, they are nice and cool.

that john is one physco!

physco by somebodycoolerthanu March 7, 2005

physco 

when someone gets a knife out at someone. also when they carry bricks around because they cant use their fists. Thay hv made up person in there head call eddi.

'my ex best friend is such a physco'

physco by barbra June 28, 2007