A dull heavy sound, as of something dropped on a surface.
To move or fall heavily with a dull sound.
Flumped onto the sofa.
To place or drop with a flump.
To drop or move heavily and noisily.
The act or sound of flumping.
The dull sound so produced.
Origin of flump
From American Heritage Dictionary of the English Language, 5th Edition
- Onomatopoeic. Compare plunk.