A surname of a witch-like person who has many personalities, none of which are good. Some of these personalities include: not funny, evil, bad sense of humor, animal slayer, hopeless. Schinstock's run but can't hide from their problems and always get what's coming to them, they are known to stab close friends in the back(especially roommates).
"Wow check out that Schinstock over there, looks like she's freaking out"
by Clever-Dude March 14, 2011