"Mom, Dad, I don't want to be a trash baby anymore" is what you might say if your Granny was still alive and she still had that motto. But the fact is, you need to learn how to have a threesome as an adult too so that you will not be called a trash baby by everyone who is invited over. Threesome is one of the hottest subjects around and this is why adult dating sites are now offering it for all people regardless of their age. You can have a threesome with two girls or even a threesome with three girls and all you have to do is to make sure that your partner is cool with it otherwise you may end up getting dumped..