動詞 flump:

1. fall heavily
   同義詞：flump down
2. set (something or oneself) down with or as if with a noise
   同義詞：plank, plonk, plop, plunk, plump down, plunk down, plump

flump

n.（名詞）
A dull heavy sound, as of something dropped on a surface.
砰然聲：鈍重聲，如同物體落地聲
v.（動詞）
flumped,flump.ing,flumps
v.intr.（不及物動詞）
To move or fall heavily with a dull sound:
砰然聲：搬動或落下時(shí)發(fā)出的鈍重聲：
例句：
flumped onto the sofa.
砰地倒在沙發(fā)上

v.tr.（及物動詞）
To place or drop with a flump.
砰的落下：砰的放下或落下

來源：
[Imitative]
[Imitative]