The story
US 1895. From grouch + -y. Originally US college student slang.
First known use, by meaning
- From 1895 Irritable; easily upset; angry; tending to complain.
Etymology from Wiktionary, CC BY-SA 4.0.
grouchy
Today it means: Irritable; easily upset; angry; tending to complain. Full definition →
First used 1895