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Use "grumbly" in a sentence
"Tickle my belly and I might purr with pleasure, but if my stomach is grumbly I'm just as likely to snarl."
"Despite grumbly gut feelings about the word “awesome,” which Pearl Matteson kindly helped me dispel by turning my mind from teen-angst associations to the idea of awe-inspiring … ahem … let me start again."
"It was a deep, grumbly noise that spoke of her uneasiness."