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someone who is retarded, mentally ill, developmentally disabled or has down syndrome and has been sexually taken advantage of.
That guy had sex with my sister who has down syndrome and now she is a moosedownee.

Wow, shes a moosedownee, shes kinda hot for a retard.

My girlfriend has frontal lobe damage so i call her my moosedownee
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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