Higher level of bumfuckery.
The utter stupidity and ignorance is so profound that you begin to consider killing yourself or the fucktard in order to escape/end the situation.
We were all having dinner when John started his shitbumfuckery. Everyone at the table was ready to drive their utensils into his throat.
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."