Small talk

A conversation that has no particular purpose, no formal function. Speaking for only the desire to talk. It can used as a means to have a conversation with a purpose to someone you may be interested in. The weather, an interest, a casual observation.

É uma conversa fiada, conversa, papinho, conversa pra boi dormir.

Перекинулись словами. Немного поболтали.

Boş laf etmek, boş konuşmak.

havadan sudan konuşmak