mongolismo is a congenital anomaly resulting from a chromosomal alteration that causes mental retardation (this term is used in Venezuela to refer to Down Syndrome).
A highly offensive slur for someone with very little mental capacity, like a retard named Moises who lives in Ensanche Espaillat. (Ensanche Espaillat is a neighborhood in Santo Domingo).
He is a mongolaso with very little mental capacity.
Similar to amemao, a clumsy person who is always spacey or has their head in the clouds (amemao is a common Dominican term for someone who is slow or dim-witted).