Jisho

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Noun
1. rock (in rock-paper-scissors); stone; fistSee also じゃんけん
Adverb (fukushi)
2. ungh; gulpOnomatopoeic or mimetic word, See also ぐうの音も出ない, sound made through a constricted throat or when in a distressing situation
Adverb (fukushi), Adverb taking the 'to' particle
3. rumbling (of an empty stomach); growling; gurglingOnomatopoeic or mimetic word
Other forms
ぐーぐう

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