noun

• (informal) A potato.
  "We were peeling spuds on afternoon detail back of the lodge at summer camp — Billy Dean and I, and two or three more — and as usual arguing about whether the camp work ought to be done that way or not[…]"
• (informal) A hole in a sock.
  "He leans over to one side to get the light, as he darns a hole in the heel of a sock. He is getting pretty smart at it now, and no longer makes spuds in the sock to chafe his heels."
• (plumbing) A type of short nut (fastener) threaded on both ends.
  "With the tank resting upside down on an old towel or blanket, use a spud wrench or a large pair of channel-type pliers to loosen the spud nut."
• (obsolete) Anything short and thick.
  "As I turned out of the wood, I heard the shrill tone of infant wailing; and as I came towards the cottage, I saw a fine flaxen-headed urchin, some six or seven years old, stamping and beating himself with his clenched little spuds of fists, in a perfect ecstasy of passion […]"

verb

• (drilling) To begin drilling an oil well; to drill by moving the drill bit and shaft up and down, or by raising and dropping a bit.
  "A rope called the jerk line is attached to the wrist pin of the band-wheel crank, brought inside the derrick, and attached to the part of the drilling cable which extends from the crown pulley to the bull-wheel shaft by a curved metal slide called a spudding shoe. (See fig. 8.)"
• (roofing) To remove the roofing aggregate and most of the bituminous top coating by scraping and chipping.
• (camping) To set up a recreational vehicle (RV) at a campsite, typically by leveling the RV and connecting it to electric, water, and/or sewer hookups.