Chato (en. Flat)
/ˈtʃa.to/
Slang Meanings
A person who is not physically attractive.
That guy is a flat one, I don't like how he looks.
Ese tipo es un chato, no me gusta cómo se ve.
Something that is considered ungraceful or uninteresting.
The movie was so flat that I fell asleep.
La película fue tan chata que me quedé dormido.