action of roaming from one porn website to another during hours and hours.
to porn around
You say that someone porns around when he watch porn videos without even jaking off like if it was a football game.
Discussion between 2 people :
- Hey what you've been up to ?
- Oh not much dude, I have been porning around all day !
When someone has stayed in this room for a day and he has a computer in it, it is means probably that he has been porning around all day.