Afirmaban (en. They claimed)

/a.fiɾ.ˈma.βan/

Slang Meanings

To say something in a colloquial way.
In the chat, everyone affirmed that it was going to rain.
En la charla, todos afirmaban que iba a llover.
To assure something without problem.
He affirmed to his friends that the concert would be amazing.
Él afirmaba a sus amigos que el concierto sería increíble.