flump

[fluhmp]

verb (used with or without object)

to plump down suddenly or heavily; flop.

noun

the act or sound of flumping.

Origin of flump

1810–20; blend of of flop + plump²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flump

Historical Examples of flump

The book dropped from his hand and fell with a flump on the floor.
Beyond
John Galsworthy