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3.
Somebody does somethin mad!
Dave: Im goin basejumpin off a cliff without a parachute.
Me: Yea? Sick-ed!

Me: Look at that guy over ther ready 2 jump off that building!
Stu: Sick-ed
by Mart-Bury May 06, 2009
 
1.
A combination of "sick" and "wicked".
Person 1: I'm watching a fat guy wearing a thong do the Chicken Dance on national television!
Person 2: That is so totally sicked.
by Ninde February 21, 2005
 
2.
Meaning awsome, cool, perfect.
I combination of the slag uses of sick and wicked.
Antonym: unsicked
Pronounced: Sick-ED
That was movie was sicked!
by PAtrick John fagan May 17, 2008
 
4.
If something is well good, its sick 'ed mate
"We're going to the cinema tonight!"
"Sick 'ed mate!"
by billybillyohbilly January 19, 2008