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.
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!
Meaning awsome, cool, perfect.
I combination of the slag uses of sick and wicked.
That was movie was sicked!
If something is well good, its sick 'ed mate
"We're going to the cinema tonight!"
"Sick 'ed mate!"