"grouches" in the noun sense
1. grouch, grump, crank, churl, crosspatch
a bad-tempered person
"grouches" in the verb sense
1. grouch, grumble, scold
show one's unhappiness or critical attitude
"He scolded about anything that he thought was wrong"
"We grumbled about the increased work load"
Source: WordNet® (An amazing lexical database of English)
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