definition of
flump

[1] #1 flump v. [flump down] fall heavily. wn

[2] #2 flump v. [plank, plonk, plop, plunk, plump down, plunk down, plump] 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". wn