A cube of solid or soggy long or short cube that protrudes from a certain part of your body.
The keroke first starts out as a small baby fetus spider / human, then it grows more into a cube / rectangle shape till it reaches its mature keroke stage and then repeats it by reproducing with "Keroko's".
Keroke's have dicks coming out of the ends and Keroko's have Vaginal ports.
Refer back to keroko's.
"dude look at that keroke extruding from your neck, damn that wont clear up till next week yo!"