
English word mong comes from English Mongol
Mongol (English)
(dated, now offensive) (usually mongol) A person with Down's syndrome.. A member of any of the various Mongol ethnic groups living in The Mongolian People's Republic, the (former) USSR, Tibet and Nepal.. A member of the Mongols Motorcycle Club of California, United States.. A member of the nomadic people from the steppes of central Asia who invaded Europe in the 13th Century. The Mongol [...]
mong (English)
(dated, offensive, pejorative, British, slang) A person with Down's syndrome.. (pejorative, British, slang) A stupid person.