that's sick 

Something that is exceptionally cool.

www.thatsick.co.uk

Yo, you seen their website that's sick

Thats a sick album by Tyler.

that's sick by grvahluwalia November 7, 2013

That's Sick 

That's sick can have different meanings, so you have to be conscious of the context and the way it's expressed.

1; Can be used to express awe or admiration for something interesting.

2; Can be used to express a disdain for something not-very-pleasant.

Person A: I got a finally got a new phone!
Person B: That's sick! You gonna give me your number?

OR

Person A: And he just gutted the fish! In front of me!
Person B: Ew, that's sick!

That's Sick by ThatOneSlangMajor May 17, 2021

That's Fricken Sick 

The "That's Fricken Sick"also known as #TFS is a hand gesture and saying used only by the sickest people. It is displayed easily, you do a thumbs up and throw it down into basically a Shaka or the "Hang Loose" sign, but with your thumb bent downwards at the knuckle. Accompanied by the phrase"That's Fricken... SICK!"

"Did you see Thad shotgun that beer?! That's fricken sick!"
OR
My dad said he loves me! That's fricken sick!

That's Fricken Sick by ThatsFrickenSick August 14, 2018