DICT.TW Dictionary Taiwan

 flump /ˈflʌmp/
 砰然聲,重落(vi.)(vt.)砰的摔下,砰的落下,砰的倒下

 flump
      v 1: fall heavily [syn: flump down]
      2: set (something or oneself) down with or as if with a noise;
         "He planked the money on the table"; "He planked himself
         into the sofa" [syn: plank, plonk, plop, plunk, plump
         down, plunk down, plump]