[f. STUMP v.1 + -ING2.]
1. Treading heavily or clumsily.
1842. Borrow, Bible in Spain, xxvii. (Pelh. Libr.), 189. My reflections were suddenly interrupted by a heavy stumping sound. Ibid. (1862), Wild Wales, xxxiv. (1901), 238. I heard the sound of stumping steps coming upstairs.
1865. Dickens, Mut. Fr., IV. iii. The stumping approach of Wegg was soon heard.
2. Clumsily formed, stumpy. colloq. (Cf. lumping.)
1852. Mrs. Stowe, Uncle Toms C., iv. And look at my great black stumpin hands.