n. & v.
n. 1 sl. a potato. 2 a small narrow spade for cutting the roots of weeds etc.
v.tr. (spudded, spudding) 1 (foll. by up, out) remove (weeds) with a spud. 2 (also absol.; often foll. by in) make the initial drilling for (an oil well). spud-bashing Brit. sl. a lengthy spell of peeling potatoes.
[ ME: orig. unkn. ]