Sick-o originated at or was at least popularized in Oakville, Canada. It's variations include sick-ass. It has the same meaning as sick, only slightly better.
Yo man, that concert was sick-o!
Cheerleading is sick-o!
6π 7π
when u get fuckin sick of everything, everyone and all that has to do with ur surroundings
im so fuckin sick-o everything!
4π 5π
The superior use of βsicko mode,β as used by Travis Scott, made better by Travis Barger.
Ava: βThat party was so sick o mode last night.β
Jayce: βI agree, very sick o mode.β