Crazy bitch who rats on her friends, vengeful and conniving, does not get wet in her vagina.
Anastasia T. is a psycho
by Floor11 March 18, 2010
Can be a short word or nickname for psychology.
Might be used be someone who does not like the subject or does not like their teacher.
If you have psychology as a subject say at college,
"What do you have next?" "Psycho."
"I have psycho next, what do you have?"
by secretheart10 January 23, 2010
Men and women who dress and are into the psychobilly scene. They usually have switchblade pompadours, female pomps, bettie bangs, creepers, bleached denim jackets, a myriad of band patches, cuffed jeans, etc., etc., etc. Imagine DIY Punk mixed with Rockabilly.
Ever since that terrible article in Vogue came out about psychobilly, everyon is turning psycho.
by Crazy Haley Demons November 13, 2003
preferably, an ex-girlfriend
This bitch was seriously psycho.
by that one funny guy May 05, 2009
What a guy calls a girl if...

1. She displays an unwelcome emotion.
2. She disagrees with him.
3. She is good in bed.
4. She is smarter than he.
5. She breathes.
She told me I was a pig, she must be psycho.
by The Real Girl in PNW March 02, 2010
A psycho is someone who is a Killer
Masked Maniac: Im'a Kill you! and ma name i Mike Myers!

Me:shit motherfucking psycho!!!!!!!!! wtf u shreck?
by struccer February 17, 2009
sensitive to influences or forces of a nonphysical or supernatural nature. (noun)
Emily: Wow, I think I can read your mind, I must be psycho!
Orla: I think so too.
by StapletonsCrowd March 06, 2008

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