Necios (en. Fools)
ˈnesijos
Slang Meanings
A person who acts in an excessively silly way.
That guy is a total fool; he never does anything right.
Ese chico es un necio total, nunca hace nada bien.
Someone who doesn't get the obvious.
I don't understand how he can be so foolish not to see the problem.
No entiendo cómo puede ser tan necio al no ver el problema.