2. (noun) Any problem you have when dealing with a person with the nickname "Special K."
3. (noun) Taking three hits of Ketamine then walking to a door, opening it and saying your full name wholly and completely.
2. My Special K Challenge is trying to act like I'm interested when he tells me who is, and who is not, Jewish.
3. Christine was doing fine in the Special K Challenge until she decided the doorknob she was turning was actually a donut and tried to eat it.
The Special-K Challenge consists of masterbating for an month straight(30-days). Masterbating in the denomination of the day at hand(i.e, once=day-1, twice=day-2,..etc..).
Fap on soldier!