Skiing/snowboarding vernacular. A strong adjective for

1: amazingly deep fresh powder snow
2: an insanely awesome line down a step mountain face.
3: A big ballsy jump off a cliff or in a terrain park
4: Anything that is 'off the hook' epic and worthy of such status

An portmanteau of the the popular adjective "sick", a word extensively used in the snow sports community and "tarded" from retarded. Something so good it profoundly affects you .
Did you see the video of Jamie Pierre doing the 77m cliff jump in Wyoming?
...yeah, that was sicktarded!

Did you get out in Hakuba after the epic dump?
....yeah sure did, it was nipple deep and sicktarded, pure sicktarded.
by Phantom Ninja December 19, 2009
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sicktard-anytime something is just a little bit too good for just sick, sicktard.
did you see tina blow all those guys that was sicktard.
by tino carvavan January 9, 2012
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ewwwww.... what kind of sicktard crapped on the toilet seat?
by killerdove November 23, 2011
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A person who acts stupid because he or she is sick with a cold or something.
Person 1: You've asked me the same question fifteen times, bro. You're such a sicktard.
Person 2: Fuck you, I'm not feeling well.
by CardenB666 September 8, 2016
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