hacker 

1. Someone who cuts trees.
2. A nerd.
3. Someone who's an expert in computer networks and uses this knowledge to get into systems.

"He's a hacker."
"A hacker got into our system"

hacker by Nanda September 11, 2004

hacker 

a loser geek with no life who has nothing better to do than break into other peoples computers and try to steal their information. usually heavy set, unnatractive, no friends etc. misuses the computer to do malicious activities instead of somthing useful like research on things that matter instead they waste their time trying to get into others computers
Use the computer for what its meant for
what a stupid hobby- but hey if thats ur thing than whatever

look at that loser tryin to break into other peep computers- guy is sad. he calls himself a hacker , he should just call himself dork or loser

hacker by ELMO February 24, 2005

hacker 

According to CAL, a hacker is someone who is skilled at Day of Defeat.

Look boys and girls, 0xossi is a hacker!

hacker by Schmiggs December 22, 2006

hacker 

1. A person who has generally high computer programming knowledge and knows their way around various computer programming languages.

2. Also used to address malicious computer criminals.

3. Further misused by retards who don't know anything about technology.

"Bob is a good software hacker. He really knows all the ins and outs of Windows based software."

"Malicious software hackers from all around the world cause a serious threat to various systems on the internet (i.e. Copyright and Account/Computer security)

"HAI GUYZ I POOPED, HA HA, HACKED! We're such good hackers *High five*"

hacker by pozhinat November 27, 2011

Hacker 

Someone who's kicking your ass, that you call a hacker.

Call of Duty MW2, He got a headshot <Hacker.

Hacker by MywordisLAW January 27, 2010

hacker 

A person who has no life and thinks its cool to mess up a computer of the typical hard-working man.

I took that lowsy hacker into my backyard and stabbed him cuz that's what should happen to all hackers cuz they SUCK

hacker by DoPe FeE August 19, 2004

hacker 

Something cs players blame when ppl whip their ass....at least thats what my friend says...

" Headshot "
n00b4lyfe:HACKER!!!

hacker by uranus November 23, 2003