sick 

something a lot of people are using to describe something in a positive manner.

person 1: OMG Jack is sick
Me: Why, what's wrong with him?
person 1: *gives strange look*

sick by the_end_is_nigh (myspace) August 28, 2005

sick 

adjective; used to indicate extremes of good, bad, or crazy.

1. Insane. “He tried spinning on his head down the mountain? That’s sick.”
2. Awful. “I have a sick amount of homework, and I’m still procrastinating.”
3. Incredible; amazing. “He’s got a sick Benz, yo.”

sick by New York Person January 21, 2006

sick 

OLD VERSION OF SICK

Pronunciation: 'sik
Function: adjective
Etymology: Middle English sek, sik, from Old English sEoc; akin to Old High German sioh sick
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1. Not feeling good.

2 a (1) : affected with disease or ill health : AILING (2) : of, relating to, or intended for use in sickness <sick pay> <a sick ward>

NEW VERSION

Now used as the newest word to replace cool. Something that you've never seen before.

Old version:

Mary,"I feel sick to my stomach".

Jess,"Ask the teacher for a Nurses' Pass".

New Version
Keegan:This Calculator is sick!

Kass:That outfit is sick!

sick by Nathalie May 16, 2004

sick 

Cool or entertaining to a nausieating degree.

seth morrison's backflips off 40 footers are sick

that s rail is sick brah

suggested alternitives: excellent, super duper

sick by mattsterski June 22, 2005

sick 

wonderful, awesome, great, incredible, amazing, impressive, dope, cool, sweet...

other variant: SICK-ASS
(-ASS= a redundant extension duplicating the definition)

This song is SICK!

That drummer is SICK!

They're a SICK-ASS band!

sick by devenpahl January 28, 2008

sick 

depending on the context it can mean a number of things.1 awesome,2 Disgusting or 3 just feeling not well

1.that was sick man, how you punched that guy

2. person 1."look at that dead pigeon." person 2."thats sick"

3.i didn't go to school today cause i felt sick.

sick by grubwestie August 17, 2008

sick 

sick as in ill or doing something cool skiing or snowboarding slang like doing a sick rail

yo that rail is sick man

sick by skiing rules hokey sucks October 15, 2011