Someone who beats their meat while taking a shit.
Dude, you're being such a Turtleneck Trevors.
Going to a wet baseball diamond and pushing eachother until one person is left standing. They are crowned as the World Champion Mud Brawler.
Dude, let's do a massive Mud Brawl.
Jerking off so hard that you start to sweat.
I was at it for hours last night. I did it for so long I got the Solo Sweats.