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wapperjaw

American

[wop-er-jaw] / ˈwɒp ərˌdʒɔ /

noun

Informal. a projecting underjaw.

Etymology

Origin of wapperjaw

wapper (< ?) + jaw ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.