This is the 9317th most frequent Portuguese word.
chatear
To annoy or irritate.
The word 'chatear' is used in its sense of causing mild annoyance or irritation to someone, often unintentionally.
Eu não quis chatear você com tantas perguntas.
I didn't mean to annoy you with so many questions.
The word 'chatear-se' here means to feel annoyed or upset about something, used reflexively to indicate the subject's emotional reaction.
Eles costumam chatear-se com críticas não construtivas.
They often get upset with non-constructive criticism.
In this sentence, 'chateou' is used to describe a reaction of mild annoyance towards an event, indicating that it wasn't considered a serious issue.