Check out the urban dictionary

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                               Definições de girias, expressões e palavras.

             Abaixo uma amostra. Morri de rir com o "I´m not gay seat".

                                   stop and chat 
When someone stops to engage in a conversation with another while passing them in public. These conversations are short, meaningless, awkward and mostly unwanted by at least one of the parties involved. This term was coined by Larry David on the HBO series Curb Your Enthusiasm.
Oh there's Tom, don't acknowledge him, he always wants to stop and chat.

                                 I'm not gay seat

   The empty seat in a movie theater that two males leave between them to show the rest of the audience that they are straight.
Bob: I went to a movie with John the other day but we left the I'm not gay seat, so no one thought it was weird.

                                  Casual Undertime

     Getting paid for forty hours for the week when one has worked less than forty hours for the week. It is best when casual undertime is achieved by legitimate means, such as leaving early for the 4th of July Holiday with your bosses permission.
I work casual undertime during the work week before a three day weekend: I usually can leave four hours early on Friday and still be paid for them.