When I need to rub one out like this also, I would've gotten the shorts off completely and made sure I didn't get any sperm in my pubic, stomach or upper chest hair because it is a mess I don't like dealing with once I've shot it out of my penis.
There was a massive lava flow of molten bubbling cum when Chris Kiskiras, Sam Zervides, Damian Eagle, John Canty, Darren Byers, Ben Paluch, Eli May, Phillip Lamovie and Robbie Javor got together for a no holds barred orgy