have sex (with), hook up (with)
Eles pegam a doença aqui dentro, depois transam com a mulher.
They catch the disease in here, then sleep with the woman.
— Carandiru (2003)
Eu soube que comem bebês e transam com cachorros.
I heard that they eat babies and have sex with dogs.
— Jojo Rabbit (2019)
Você sabia que lá no Rio de Janeiro todas as mulheres transam antes de se casar?
Did you know that all women in Rio de Janeiro have sex before they get married?
— Central do Brasil (1998)
Porque não transam se são casados?
Why don't they have sex if they're married?
— Contra a Parede (2004)
Era melhor aquele das pessoas que transam.
The one about people who have sex was better.
— Perfeitos Desconhecidos (2016)