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

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n. Whining and complaining, often contrived to evoke pity or shirk responsibility.

v. Present participle of bellyache.

"At home, when the Captain isn't tired, having a migraine, or stressed out (thereby giving in to yelling), I look at him and tell him to get back with me when he's done "bellyaching" and I walk into another room."

belly-aching    bellyached    bellyaches    bellyaching   

ache    aching    sound off    kick    quetch   

dry belly-ache   

bellyacher   

colic    gripe    whine    complain    moan   

sake    pitchmen    competition    rail-head    eyestrain