[tump] n [origin unknown] (1589) 1 chiefly dial Eng: mound, hummock
2: a clump of vegetation
[2]tump vb [perh. akin to Brit. dial. tumpoke to fall head over heels] vi (1967) chiefly Southern: to tip or turn over esp. accidentally--usu. used with over "sooner or later everybody ~s over. Nothing to worry about if you don't get caught under the canoe --Don Kennard" ~ vt, chiefly Southern: to cause to tip over: overturn, upset--usu. used with over