To spend the night with someone is also often just an adventure to tell the friends about the next day. It's a good idea to use contraception as Aids and Std's are more prevalent here than in most parts.

The condom is called a camisinha, meaning a small shirt. Girls and even many guys live at home until well into their 20's or further so it's likely to have to be your place or a motel. A night in one of these costs around $20-30.