Commonly occurs in the bed of males aged between 14-28 whom have consumed too much special brew on a night out. Unable to contain themselves during the night this un-holy matrimony is made in their bed linen.
"Not good mate, woke up and id PSV'd all over the place"
"HAHA you dumb square"
"yeah, but I totally claimed her PSV. tough luck"
"dude!! I just got a new car! it's a convertable. you want my PSV?"