Top Definition
an old term for a retard or someone with mongolism. some, who must be mongolian idiots themselves, like to confuse this term with mongoloid idiot which is not a real term. mongolian idiot is a term within itself. a mongoloid idiot is merely an idiot who is mongolian. DO NOT get them confused unless you want to be a total douche.
that kid is eating his helmet when he should be wearing it. oh he must be a mongolain idiot.
by ursala November 22, 2004
5 Words related to Mongolian Idiot

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