"If I don't deshitify this essay, I'll surely receive a poor grade."
"Your bong is full of air leaks. A little electrical tape would help deshitify it."
"At this point, only intensive counseling will deshitify my life."
To take something small, that doesn't quite qualify as a theft. Probably from the Danish "skæv" or the Dutch "scheef", both of which are pronounced similarly, meaning "askew, or not quite right'. To change an item's ownership without permission, but only something small and of little worth.
"I skeefed an apple off the neighbor's tree." "I skeefed some chips outta your bag when you looked away." "Don't skeef my chair when I go to the bathroom."