Word used in replacement of "sic" or "nuts" a "sicnuts" can be used in one scenario or the other.
or even when both words could be used, and now can be used simultaneously
"did you see that guy going round that corned in his sick car in a nuts powerslide?"
yeah sicknuts aye
Endearing Glasgow slang used to describe one who's actions and outlook verge on insanity, especially if you are in awe of said person. A compound of the words sick(ill) and nut(head)