Sketty Mare Share definition Flag A deplorable excuse for a girl, this encompasses ratty scene girls, townies and general nutters, slags and skanks. What a fucking sket! (Sketty mare)Who was that sketty mare?Put your clunge away you sketty mare! Sketty Mare by Rossi Graham June 9, 2011 0 0 Get merch Get the Sketty Mare mug. Buy Now — $32.95 See more merch