noun.
1.A person of profound mental
retardation having a mental age below three years and generally being unable to learn connected speech or guard against common dangers. The term belongs to a classification system no longer in use and is now considered
offensive.
Usage: Often used as a placeholder for a relevant or
appropriate insult
tr. verb. - mogumbied, mogumbying, mogumbies
adj. - mogumbie
Usage: mogumbie may only modify the noun Baby
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Origin: Middle English mugombeh