something uncommonly large of its kind.
a big lie.
Weasel Words And Other Ways We Avoid Telling The TruthMost of us know what the word lying means, but what happens when someone carefully skirts the truth instead of telling a bold-faced whopper? Politicians, in particular, are well known for making use of equivocal language as a way of hiding their true actions.
Origin of whopper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for whopper
His book, not their fast-food chain, is the true Home of the Whopper.
anything uncommonly large of its kind
a big lie
Word Origin for whopper
C18: from whop
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
1785, formed as if from whop (v.) "to beat, overcome." Meaning "big lie" is recorded first in 1791. Whopping "large, big, impressive" is attested by 1620s.
Online Etymology Dictionary, © 2010 Douglas Harper