Clumpy \Clump"y\, a. [From {Clump}, n.] Composed of clumps; massive; shapeless. --Leigh Hunt.
She had decided to pass on long skirts and the soft, slender outline of 1993, the look which demands clumpy shoes and looks frumpy with spike-heeled court shoes.
Mr. Terrile and his colleagues haven't yet conceded, and busily plot the arc, showing it inexplicably clumpy in one part, gossamer thin in another.