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sourpuss

American  
[souuhr-poos, sou-er-] / ˈsaʊərˌpʊs, ˈsaʊ ər- /

noun

Informal.

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

sourpuss British  
/ ˈsaʊəˌpʊs /

noun

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

"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

Etymology

Origin of sourpuss

First recorded in 1935–40; sour + puss 2

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.