This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A habitually complaining or irritable person.

n. A grumbling or sulky mood: in a grouch about the long line for tickets.

n. A complaint; a grudge: had only one grouch against the landlord.

verb-intransitive. To grumble or sulk.

n. One who is grumpy or irritable.

v. To be grumpy or irritable; to complain.

n. A bad-tempered person.

verb-intransitive. to complain habitually, especially about minor or routine annoyances.

n. A fit of sulkiness.

To be sullen or morose.

v. show one's unhappiness or critical attitude

n. a bad-tempered person

"Say “computer lingo” to most people, and they’ll rattle off their rudimentary knowledge of the meaning of byte, hacker and cybersex gritch the last marries digiporn to the portmanteau of grouch and glitch, producing a phrase meaning “hacker’s complaint about the encryption of dirty pictures”."

grouched    grouches    grouching   

sound off    kick    quetch    complain    plain    kvetch   

grouchy   

grump    crank    churl    crosspatch    grumble    gripe    complain   

bouche    couch    crouch    fouch    ouch    pouch    slouch    vouch   

procrastinator    airsickness    desease    workaholic    potboiler    frowardness    squad    sinusitis    downsizing    haner