From grouch + -y. Originally US college student slang.
Grouchy Sentence Examples
I'm just in a grouchy mood this morning.
He found that Grouchy had made little progress beyond the town.
Grouchy, however, went to Gembloux as ordered.
Meanwhile two long hours had been wasted on the right whilst Grouchy and Vandamme deliberated over their plan of action in front of the Prussian brigade at Gilly; and it was not until the emperor himself again reached the front, about 5.30 P.M., that vigour replaced indecision.
It was therefore put off first of all until 9 A.M., and later until 11.30, to permit the sodden ground to dry sufficiently for the mounted arms to manoeuvre freely and give time to the French army to close up. During the night the emperor had received a report from Marshal Grouchy, dated Gembloux, 10 P.M., 17th, which stated that the Prussians were retiring in two columns towards Wavre and Perwez.