sourpuss

[ souuh r-poo s, sou-er- ]
/ ˈsaʊərˌpʊs, ˈsaʊ ər- /

noun Informal.

a person having a grouchy disposition that is often accompanied by a scowling facial expression.

Origin of sourpuss

First recorded in 1935–40; sour + puss2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for sourpuss

sourpuss

/ (ˈsaʊəˌpʊs) /

noun

informal a person whose facial expression or nature is habitually gloomy or sullen

Word Origin for sourpuss

C20: from sour + puss ²
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