Here is a lovely but naughty meditation for the young man. It is both auditory and visual. It is thoughtful and meditative. It is situational. Also, I think that if you try it once, you may find yourself awake late at night, doing it again. And again. 

 It is so simple and base, which is part of why it is so effective. The meditation is simply this:

Focus all your mind's attention on this image:  

https://cdnc.imagefap.com/images/full/117/537/537585555.gif?secure=lxu5xTDe6kA1mdgU86bERg==,1725534571

While listening to this song on your headphones: 

 https://youtu.be/tpAcqkX7O0Q