Origin of whump
First recorded in 1925–30; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- informal a dull thud
C19: of imitative origin
Word Origin and History for whump
1897, of imitative origin. The noun is recorded from 1915.
Online Etymology Dictionary, © 2010 Douglas Harper