Etymology

sourpuss

S1O1U1R1P3U1S1S1

Today it means: A person who is habitually gloomy, sullen or miserable; a grouch; a scowling person. Full definition →

Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

From sour (“bad-tempered”) + puss (“slang for mouth”).

Etymology from Wiktionary, CC BY-SA 4.0.