A booty (typically belonging to a female) that is round, plump, and voluptuous, hence the name "Pulumptuous." You can tell if a booty is pulumptuous if it looks like a cherry.

Miss-spellings include: polumptuous, polomptuous, pulomtuous, pulumtious, and pulumptiuous.
Juan: "Man check out dat pulumptuous ass over there bruh!
Dan: "Yo that pulumtuous ass doe! NICE!"
by Ya Boy Percival October 27, 2014
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