Necedad (en. Foolishness)
/neθeˈðad/
Slang Meanings
to say something foolish
That’s a way of saying silly things without thinking.
Esa es una manera de decir tonterías sin pensar.
to be foolish
When he starts being foolish, no one can stop him.
Cuando se pone a necear, no hay quien lo detenga.