Weekend means party, fun, jumping, dancing, singing and also is the name of a musical group formed by Chris and Argentina Luly, name and trademark registered by them more than 10 years ago.
argentina Word. term for dancing a certain type of music, 40, reggaeton and cumbia )
The term well Buenos Aires but I think that by extension used to define a type of music to have fun, that it doesn't matter whether or not good music or if it has good lyrics.Anyway even if it is not slang the first meaning of the word refers to mess, fight, quilombo speak in terms more Argentine