/growch/ , v.i.
1. to be sulky or morose; show discontent; complain, esp. in an irritable way.
n.
2. a sulky, complaining, or morose person.
3. a sulky, irritable, or morose mood.
[ 1890-95, Amer.; var. of obs. grutch groucher to grumble. See GRUDGE ]
Syn. 2. grumbler, spoilsport, crab, killjoy.