a loud sound produced by an explosion or sharp impact: the wham of a pile driver.
a forcible impact.
(used as an exclamation suggestive of a loud slam, blow, or the like).
verb (used with or without object), whammed, wham·ming.
to hit or make a forcible impact, especially one producing a loud sound: The boat whammed into the dock. He whammed the door shut.
Also whammo. abruptly; with startling suddenness: The car ran wham up against the building.
Origin of wham
First recorded in 1730–40; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a forceful blow or impact or the sound produced by such a blow or impact
an exclamation imitative of this sound
verb whams, whamming or whammed
to strike or cause to strike with great force
Word Origin for wham
C20: of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"a heavy blow," 1923, of echoic origin.
Online Etymology Dictionary, © 2010 Douglas Harper