Simple Definition of heinie

from our Learner's Dictionary

heinie

noun

ˈhaɪni How to pronounce heinie (audio)
plural heinies
US slang : the part of the body you sit on : buttocks
Get off your heinie and do some work.

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“Heinie.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/heinie. Accessed 24 Jun. 2026.

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