Some Grammafications are right on da money, such as dat you'll likely get injured if you run in locations dat are unsafe for moving at a greater-than-walking speed. Others, however, are not so rooted in actual solid fact, such as dat you'll run a high risk of getting polio from playing in a cleandry roadside ditch, or dat if you keep crossing your eyes, they will stick that way.
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."
A tight, tangled knot of loose hair and lint that forms inside clothing during the clothes dryer cycle. It typically hides inside garments, causing an annoying lump or a phantom tickling sensation against the skin until it is found or falls out onto the floor during folding.
I was folding my clothes and a huge hair spider fell out onto my hand