If a girl happens to spot you in a bar or café and you meet her standards, she will not hesitate to come up and ask you for your phone number or invite you to buy a drink for her.
They are quite easy to strike up a conversation with and before long you may even find yourself sharing a joke or a song with one of them.
This is because physical contact is quite acceptable in interpersonal dealings in this culture.
People in Brazil stand quite close to one another when talking or hanging out.
And yeah, they are much more open and receptive to sex, in general.