After you take a piss and shake it off, when you zip your pants back up and your tinkle goes down either leg of your pants and and hits the sides. Causing small wet spots.
Bob" Jeeeze, dan take long enough? what you do drop a duece?
Dan: Nah man. I took a piss and didn't shake it well enough and got a shower curtain. So i had to stand under the hand dryer to dy it off.
Bob: OOOOO!! Owned!