Tump(ed) \ˈtəmp\
intransitive verb: chiefly Southern, to tip or turn over especially accidentally — usually used with over.

duck \ˈdək\
noun, often attributive :  any of various swimming birds (family Anatidae, the duck family) in which the neck and legs are short, the feet typically webbed, the bill often broad and flat, and the sexes usually different from each other in plumage.

Source: Miriam Webster