Sick

Cool; amazing, or otherwise worth mentioning.
Dude, did you see that vaccine they have for Swine flu now? It's SICK!
by Weezeman May 08, 2009
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Sick

Not to be confused with “ill”. “Sick” is a term applied to anything cool or desirable. One could also use “sick” in terms of expressing enthusiasm.
For example:

Jim: “I got you a pet monkey for Hanukah.”

Sally: “Sick!”
by Tsunami Lu March 19, 2009
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Sick

(1)To be 'totally awesome' or 'rad'.
Usually used by teenagers, slang.

(2)To be ill.

(3)To be gross, and/or disgusting.
(1)
Wow, that kick flip he did was sick!

(2)

I couldn't go to school today because I was sick.

(3)
Aw, that last fear factor was really sick! Ew!
by Julie Lieksing August 10, 2009
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Sick

When a living organism has started to feel very bad and feels like something out of place; emotionally or physically.
OMG i feel soo sick :(
by h.e.y.y.a.l.l. December 26, 2011
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Sick

When you use urban dictionary to specify that 'sick' is actually a compliment and hence try to negate what another person had actually intended to imply, which is that you're just mentally incapacitated and physically ugly.
Saher, you're sick.

"Oh, but UD describes it as something cool and hence I'm going to take that connotation. Thank you for the compliment."
No, you're just plain sick.
by Burnyouaftersex January 25, 2017
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Sick

An Adjective for something uncool, cheesy, or poorly made
What's up with all the sickness in this movie, yo'!?"
by RobertBeezer May 29, 2010
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Sick

That's a sick shirt, you bought!
by Jessica June 07, 2003
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