Simple past tense and past participle of belly.(verb)
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Use "bellied" in a sentence
"Their flesh wasted by hunger, they were hollow bellied, their ribs protruding."
"Paul often passed out at the end of our epic nights bellied up at the bar."
"Clark would grow to despise the Vichy generals he dealt with in North Africa, giving them a private code in memos to Ike: YBSAS for “yellow bellied so and so.”"