Most, but not all, of our @bawdy songs are double entendre songs rather than the "how many dirty words can we string together" type. They are not terribly offensive to most people and children too young to catch the illusions won't find anything wrong and those who do understand are old enough to understand. Just check what you are looking at and don't use the ones you are not interested in.
When you do a search the computer produces a list of anything meeting the search criteria - it does not know original from parody from anything else.