tonto
/ˈtoʊnˌtoʊ/Definitions
1. noun
A person from the Pueblo Indian tribes of New Mexico, or a stereotypical, derogatory representation of a Native American.
“The depiction of the ‘tonto’ in Western movies is often criticized for its racist undertones.”
2. noun
A foolish or silly person.
“After making such a stupid decision, he was considered a bit of a tonto by his friends.”